前言：
而今咱们对“c语言删除行末空格”大致比较讲究，朋友们都需要剖析一些“c语言删除行末空格”的相关资讯。那么小编在网摘上搜集了一些对于“c语言删除行末空格””的相关内容，希望各位老铁们能喜欢，朋友们快快来了解一下吧！老韩Linux SRE
使用gcc指令对C语言源文件做做预处理
[root@hanyw-k8 HelloWorldTest]# gcc -E HelloWorld.c -o HelloWorld.i
使用nl指令查看有很多空行，看起来十分不方便。
nl指令查看有很多空行
去空行方式1（删除纯空行），指令及输出结果如下。
[root@hanyw-k8 HelloWorldTest]# sed '/^\s*$/d' HelloWorld.i# 1 "HelloWorld.c"# 1 "<built-in>"# 1 "<command-line>"# 1 "/usr/include/stdc-predef.h" 1 3 4# 1 "<command-line>" 2# 1 "HelloWorld.c"# 1 "/usr/include/stdio.h" 1 3 4# 27 "/usr/include/stdio.h" 3 4# 1 "/usr/include/features.h" 1 3 4# 375 "/usr/include/features.h" 3 4# 1 "/usr/include/sys/cdefs.h" 1 3 4# 392 "/usr/include/sys/cdefs.h" 3 4# 1 "/usr/include/bits/wordsize.h" 1 3 4# 393 "/usr/include/sys/cdefs.h" 2 3 4# 376 "/usr/include/features.h" 2 3 4# 399 "/usr/include/features.h" 3 4# 1 "/usr/include/gnu/stubs.h" 1 3 4# 10 "/usr/include/gnu/stubs.h" 3 4# 1 "/usr/include/gnu/stubs-64.h" 1 3 4# 11 "/usr/include/gnu/stubs.h" 2 3 4# 400 "/usr/include/features.h" 2 3 4# 28 "/usr/include/stdio.h" 2 3 4# 1 "/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h" 1 3 4# 212 "/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h" 3 4typedef long unsigned int size_t;# 34 "/usr/include/stdio.h" 2 3 4# 1 "/usr/include/bits/types.h" 1 3 4# 27 "/usr/include/bits/types.h" 3 4# 1 "/usr/include/bits/wordsize.h" 1 3 4# 28 "/usr/include/bits/types.h" 2 3 4typedef unsigned char __u_char;typedef unsigned short int __u_short;typedef unsigned int __u_int;typedef unsigned long int __u_long;typedef signed char __int8_t;typedef unsigned char __uint8_t;typedef signed short int __int16_t;typedef unsigned short int __uint16_t;typedef signed int __int32_t;typedef unsigned int __uint32_t;typedef signed long int __int64_t;typedef unsigned long int __uint64_t;typedef long int __quad_t;typedef unsigned long int __u_quad_t;# 130 "/usr/include/bits/types.h" 3 4# 1 "/usr/include/bits/typesizes.h" 1 3 4# 131 "/usr/include/bits/types.h" 2 3 4typedef unsigned long int __dev_t;typedef unsigned int __uid_t;typedef unsigned int __gid_t;typedef unsigned long int __ino_t;typedef unsigned long int __ino64_t;typedef unsigned int __mode_t;typedef unsigned long int __nlink_t;typedef long int __off_t;typedef long int __off64_t;typedef int __pid_t;typedef struct { int __val[2]; } __fsid_t;typedef long int __clock_t;typedef unsigned long int __rlim_t;typedef unsigned long int __rlim64_t;typedef unsigned int __id_t;typedef long int __time_t;typedef unsigned int __useconds_t;typedef long int __suseconds_t;typedef int __daddr_t;typedef int __key_t;typedef int __clockid_t;typedef void * __timer_t;typedef long int __blksize_t;typedef long int __blkcnt_t;typedef long int __blkcnt64_t;typedef unsigned long int __fsblkcnt_t;typedef unsigned long int __fsblkcnt64_t;typedef unsigned long int __fsfilcnt_t;typedef unsigned long int __fsfilcnt64_t;typedef long int __fsword_t;typedef long int __ssize_t;typedef long int __syscall_slong_t;typedef unsigned long int __syscall_ulong_t;typedef __off64_t __loff_t;typedef __quad_t *__qaddr_t;typedef char *__caddr_t;typedef long int __intptr_t;typedef unsigned int __socklen_t;# 36 "/usr/include/stdio.h" 2 3 4# 44 "/usr/include/stdio.h" 3 4struct _IO_FILE;typedef struct _IO_FILE FILE;# 64 "/usr/include/stdio.h" 3 4typedef struct _IO_FILE __FILE;# 74 "/usr/include/stdio.h" 3 4# 1 "/usr/include/libio.h" 1 3 4# 32 "/usr/include/libio.h" 3 4# 1 "/usr/include/_G_config.h" 1 3 4# 15 "/usr/include/_G_config.h" 3 4# 1 "/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h" 1 3 4# 16 "/usr/include/_G_config.h" 2 3 4# 1 "/usr/include/wchar.h" 1 3 4# 82 "/usr/include/wchar.h" 3 4typedef struct{ int __count; union { unsigned int __wch; char __wchb[4]; } __value;} __mbstate_t;# 21 "/usr/include/_G_config.h" 2 3 4typedef struct{ __off_t __pos; __mbstate_t __state;} _G_fpos_t;typedef struct{ __off64_t __pos; __mbstate_t __state;} _G_fpos64_t;# 33 "/usr/include/libio.h" 2 3 4# 50 "/usr/include/libio.h" 3 4# 1 "/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h" 1 3 4# 40 "/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h" 3 4typedef __builtin_va_list __gnuc_va_list;# 51 "/usr/include/libio.h" 2 3 4# 145 "/usr/include/libio.h" 3 4struct _IO_jump_t; struct _IO_FILE;# 155 "/usr/include/libio.h" 3 4typedef void _IO_lock_t;struct _IO_marker { struct _IO_marker *_next; struct _IO_FILE *_sbuf; int _pos;# 178 "/usr/include/libio.h" 3 4};enum __codecvt_result{ __codecvt_ok, __codecvt_partial, __codecvt_error, __codecvt_noconv};# 246 "/usr/include/libio.h" 3 4struct _IO_FILE { int _flags; char* _IO_read_ptr; char* _IO_read_end; char* _IO_read_base; char* _IO_write_base; char* _IO_write_ptr; char* _IO_write_end; char* _IO_buf_base; char* _IO_buf_end; char *_IO_save_base; char *_IO_backup_base; char *_IO_save_end; struct _IO_marker *_markers; struct _IO_FILE *_chain; int _fileno; int _flags2; __off_t _old_offset; unsigned short _cur_column; signed char _vtable_offset; char _shortbuf[1]; _IO_lock_t *_lock;# 294 "/usr/include/libio.h" 3 4 __off64_t _offset;# 303 "/usr/include/libio.h" 3 4 void *__pad1; void *__pad2; void *__pad3; void *__pad4; size_t __pad5; int _mode; char _unused2[15 * sizeof (int) - 4 * sizeof (void *) - sizeof (size_t)];};typedef struct _IO_FILE _IO_FILE;struct _IO_FILE_plus;extern struct _IO_FILE_plus _IO_2_1_stdin_;extern struct _IO_FILE_plus _IO_2_1_stdout_;extern struct _IO_FILE_plus _IO_2_1_stderr_;# 339 "/usr/include/libio.h" 3 4typedef __ssize_t __io_read_fn (void *__cookie, char *__buf, size_t __nbytes);typedef __ssize_t __io_write_fn (void *__cookie, const char *__buf, size_t __n);typedef int __io_seek_fn (void *__cookie, __off64_t *__pos, int __w);typedef int __io_close_fn (void *__cookie);# 391 "/usr/include/libio.h" 3 4extern int __underflow (_IO_FILE *);extern int __uflow (_IO_FILE *);extern int __overflow (_IO_FILE *, int);# 435 "/usr/include/libio.h" 3 4extern int _IO_getc (_IO_FILE *__fp);extern int _IO_putc (int __c, _IO_FILE *__fp);extern int _IO_feof (_IO_FILE *__fp) __attribute__ ((__nothrow__ , __leaf__));extern int _IO_ferror (_IO_FILE *__fp) __attribute__ ((__nothrow__ , __leaf__));extern int _IO_peekc_locked (_IO_FILE *__fp);extern void _IO_flockfile (_IO_FILE *) __attribute__ ((__nothrow__ , __leaf__));extern void _IO_funlockfile (_IO_FILE *) __attribute__ ((__nothrow__ , __leaf__));extern int _IO_ftrylockfile (_IO_FILE *) __attribute__ ((__nothrow__ , __leaf__));# 465 "/usr/include/libio.h" 3 4extern int _IO_vfscanf (_IO_FILE * __restrict, const char * __restrict, __gnuc_va_list, int *__restrict);extern int _IO_vfprintf (_IO_FILE *__restrict, const char *__restrict, __gnuc_va_list);extern __ssize_t _IO_padn (_IO_FILE *, int, __ssize_t);extern size_t _IO_sgetn (_IO_FILE *, void *, size_t);extern __off64_t _IO_seekoff (_IO_FILE *, __off64_t, int, int);extern __off64_t _IO_seekpos (_IO_FILE *, __off64_t, int);extern void _IO_free_backup_area (_IO_FILE *) __attribute__ ((__nothrow__ , __leaf__));# 75 "/usr/include/stdio.h" 2 3 4typedef __gnuc_va_list va_list;# 90 "/usr/include/stdio.h" 3 4typedef __off_t off_t;# 102 "/usr/include/stdio.h" 3 4typedef __ssize_t ssize_t;typedef _G_fpos_t fpos_t;# 164 "/usr/include/stdio.h" 3 4# 1 "/usr/include/bits/stdio_lim.h" 1 3 4# 165 "/usr/include/stdio.h" 2 3 4extern struct _IO_FILE *stdin;extern struct _IO_FILE *stdout;extern struct _IO_FILE *stderr;extern int remove (const char *__filename) __attribute__ ((__nothrow__ , __leaf__));extern int rename (const char *__old, const char *__new) __attribute__ ((__nothrow__ , __leaf__));extern int renameat (int __oldfd, const char *__old, int __newfd, const char *__new) __attribute__ ((__nothrow__ , __leaf__));extern FILE *tmpfile (void) ;# 209 "/usr/include/stdio.h" 3 4extern char *tmpnam (char *__s) __attribute__ ((__nothrow__ , __leaf__)) ;extern char *tmpnam_r (char *__s) __attribute__ ((__nothrow__ , __leaf__)) ;# 227 "/usr/include/stdio.h" 3 4extern char *tempnam (const char *__dir, const char *__pfx) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__malloc__)) ;extern int fclose (FILE *__stream);extern int fflush (FILE *__stream);# 252 "/usr/include/stdio.h" 3 4extern int fflush_unlocked (FILE *__stream);# 266 "/usr/include/stdio.h" 3 4extern FILE *fopen (const char *__restrict __filename, const char *__restrict __modes) ;extern FILE *freopen (const char *__restrict __filename, const char *__restrict __modes, FILE *__restrict __stream) ;# 295 "/usr/include/stdio.h" 3 4# 306 "/usr/include/stdio.h" 3 4extern FILE *fdopen (int __fd, const char *__modes) __attribute__ ((__nothrow__ , __leaf__)) ;# 319 "/usr/include/stdio.h" 3 4extern FILE *fmemopen (void *__s, size_t __len, const char *__modes) __attribute__ ((__nothrow__ , __leaf__)) ;extern FILE *open_memstream (char **__bufloc, size_t *__sizeloc) __attribute__ ((__nothrow__ , __leaf__)) ;extern void setbuf (FILE *__restrict __stream, char *__restrict __buf) __attribute__ ((__nothrow__ , __leaf__));extern int setvbuf (FILE *__restrict __stream, char *__restrict __buf, int __modes, size_t __n) __attribute__ ((__nothrow__ , __leaf__));extern void setbuffer (FILE *__restrict __stream, char *__restrict __buf, size_t __size) __attribute__ ((__nothrow__ , __leaf__));extern void setlinebuf (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__));extern int fprintf (FILE *__restrict __stream, const char *__restrict __format, ...);extern int printf (const char *__restrict __format, ...);extern int sprintf (char *__restrict __s, const char *__restrict __format, ...) __attribute__ ((__nothrow__));extern int vfprintf (FILE *__restrict __s, const char *__restrict __format, __gnuc_va_list __arg);extern int vprintf (const char *__restrict __format, __gnuc_va_list __arg);extern int vsprintf (char *__restrict __s, const char *__restrict __format, __gnuc_va_list __arg) __attribute__ ((__nothrow__));extern int snprintf (char *__restrict __s, size_t __maxlen, const char *__restrict __format, ...) __attribute__ ((__nothrow__)) __attribute__ ((__format__ (__printf__, 3, 4)));extern int vsnprintf (char *__restrict __s, size_t __maxlen, const char *__restrict __format, __gnuc_va_list __arg) __attribute__ ((__nothrow__)) __attribute__ ((__format__ (__printf__, 3, 0)));# 412 "/usr/include/stdio.h" 3 4extern int vdprintf (int __fd, const char *__restrict __fmt, __gnuc_va_list __arg) __attribute__ ((__format__ (__printf__, 2, 0)));extern int dprintf (int __fd, const char *__restrict __fmt, ...) __attribute__ ((__format__ (__printf__, 2, 3)));extern int fscanf (FILE *__restrict __stream, const char *__restrict __format, ...) ;extern int scanf (const char *__restrict __format, ...) ;extern int sscanf (const char *__restrict __s, const char *__restrict __format, ...) __attribute__ ((__nothrow__ , __leaf__));# 443 "/usr/include/stdio.h" 3 4extern int fscanf (FILE *__restrict __stream, const char *__restrict __format, ...) __asm__ ("" "__isoc99_fscanf") ;extern int scanf (const char *__restrict __format, ...) __asm__ ("" "__isoc99_scanf") ;extern int sscanf (const char *__restrict __s, const char *__restrict __format, ...) __asm__ ("" "__isoc99_sscanf") __attribute__ ((__nothrow__ , __leaf__)) ;# 463 "/usr/include/stdio.h" 3 4extern int vfscanf (FILE *__restrict __s, const char *__restrict __format, __gnuc_va_list __arg) __attribute__ ((__format__ (__scanf__, 2, 0))) ;extern int vscanf (const char *__restrict __format, __gnuc_va_list __arg) __attribute__ ((__format__ (__scanf__, 1, 0))) ;extern int vsscanf (const char *__restrict __s, const char *__restrict __format, __gnuc_va_list __arg) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__format__ (__scanf__, 2, 0)));# 494 "/usr/include/stdio.h" 3 4extern int vfscanf (FILE *__restrict __s, const char *__restrict __format, __gnuc_va_list __arg) __asm__ ("" "__isoc99_vfscanf") __attribute__ ((__format__ (__scanf__, 2, 0))) ;extern int vscanf (const char *__restrict __format, __gnuc_va_list __arg) __asm__ ("" "__isoc99_vscanf") __attribute__ ((__format__ (__scanf__, 1, 0))) ;extern int vsscanf (const char *__restrict __s, const char *__restrict __format, __gnuc_va_list __arg) __asm__ ("" "__isoc99_vsscanf") __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__format__ (__scanf__, 2, 0)));# 522 "/usr/include/stdio.h" 3 4extern int fgetc (FILE *__stream);extern int getc (FILE *__stream);extern int getchar (void);# 550 "/usr/include/stdio.h" 3 4extern int getc_unlocked (FILE *__stream);extern int getchar_unlocked (void);# 561 "/usr/include/stdio.h" 3 4extern int fgetc_unlocked (FILE *__stream);extern int fputc (int __c, FILE *__stream);extern int putc (int __c, FILE *__stream);extern int putchar (int __c);# 594 "/usr/include/stdio.h" 3 4extern int fputc_unlocked (int __c, FILE *__stream);extern int putc_unlocked (int __c, FILE *__stream);extern int putchar_unlocked (int __c);extern int getw (FILE *__stream);extern int putw (int __w, FILE *__stream);extern char *fgets (char *__restrict __s, int __n, FILE *__restrict __stream) ;# 638 "/usr/include/stdio.h" 3 4extern char *gets (char *__s) __attribute__ ((__deprecated__));# 665 "/usr/include/stdio.h" 3 4extern __ssize_t __getdelim (char **__restrict __lineptr, size_t *__restrict __n, int __delimiter, FILE *__restrict __stream) ;extern __ssize_t getdelim (char **__restrict __lineptr, size_t *__restrict __n, int __delimiter, FILE *__restrict __stream) ;extern __ssize_t getline (char **__restrict __lineptr, size_t *__restrict __n, FILE *__restrict __stream) ;extern int fputs (const char *__restrict __s, FILE *__restrict __stream);extern int puts (const char *__s);extern int ungetc (int __c, FILE *__stream);extern size_t fread (void *__restrict __ptr, size_t __size, size_t __n, FILE *__restrict __stream) ;extern size_t fwrite (const void *__restrict __ptr, size_t __size, size_t __n, FILE *__restrict __s);# 737 "/usr/include/stdio.h" 3 4extern size_t fread_unlocked (void *__restrict __ptr, size_t __size, size_t __n, FILE *__restrict __stream) ;extern size_t fwrite_unlocked (const void *__restrict __ptr, size_t __size, size_t __n, FILE *__restrict __stream);extern int fseek (FILE *__stream, long int __off, int __whence);extern long int ftell (FILE *__stream) ;extern void rewind (FILE *__stream);# 773 "/usr/include/stdio.h" 3 4extern int fseeko (FILE *__stream, __off_t __off, int __whence);extern __off_t ftello (FILE *__stream) ;# 792 "/usr/include/stdio.h" 3 4extern int fgetpos (FILE *__restrict __stream, fpos_t *__restrict __pos);extern int fsetpos (FILE *__stream, const fpos_t *__pos);# 815 "/usr/include/stdio.h" 3 4# 824 "/usr/include/stdio.h" 3 4extern void clearerr (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__));extern int feof (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;extern int ferror (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;extern void clearerr_unlocked (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__));extern int feof_unlocked (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;extern int ferror_unlocked (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;extern void perror (const char *__s);# 1 "/usr/include/bits/sys_errlist.h" 1 3 4# 26 "/usr/include/bits/sys_errlist.h" 3 4extern int sys_nerr;extern const char *const sys_errlist[];# 854 "/usr/include/stdio.h" 2 3 4extern int fileno (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;extern int fileno_unlocked (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;# 873 "/usr/include/stdio.h" 3 4extern FILE *popen (const char *__command, const char *__modes) ;extern int pclose (FILE *__stream);extern char *ctermid (char *__s) __attribute__ ((__nothrow__ , __leaf__));# 913 "/usr/include/stdio.h" 3 4extern void flockfile (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__));extern int ftrylockfile (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;extern void funlockfile (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__));# 943 "/usr/include/stdio.h" 3 4# 2 "HelloWorld.c" 2int main(void){ printf("Hello World\n"); return 0;}方式2、删除由纯空格和空行组成的空行
[root@hanyw-k8 HelloWorldTest]# sed '/^[]*$/d' HelloWorld.ised: -e expression #1, char 8: unterminated address regex[root@hanyw-k8 HelloWorldTest]# [root@hanyw-k8 HelloWorldTest]# [root@hanyw-k8 HelloWorldTest]# sed '/^[ ]*$/d' HelloWorld.i# 1 "HelloWorld.c"# 1 "<built-in>"# 1 "<command-line>"# 1 "/usr/include/stdc-predef.h" 1 3 4# 1 "<command-line>" 2# 1 "HelloWorld.c"# 1 "/usr/include/stdio.h" 1 3 4# 27 "/usr/include/stdio.h" 3 4# 1 "/usr/include/features.h" 1 3 4# 375 "/usr/include/features.h" 3 4# 1 "/usr/include/sys/cdefs.h" 1 3 4# 392 "/usr/include/sys/cdefs.h" 3 4# 1 "/usr/include/bits/wordsize.h" 1 3 4# 393 "/usr/include/sys/cdefs.h" 2 3 4# 376 "/usr/include/features.h" 2 3 4# 399 "/usr/include/features.h" 3 4# 1 "/usr/include/gnu/stubs.h" 1 3 4# 10 "/usr/include/gnu/stubs.h" 3 4# 1 "/usr/include/gnu/stubs-64.h" 1 3 4# 11 "/usr/include/gnu/stubs.h" 2 3 4# 400 "/usr/include/features.h" 2 3 4# 28 "/usr/include/stdio.h" 2 3 4# 1 "/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h" 1 3 4# 212 "/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h" 3 4typedef long unsigned int size_t;# 34 "/usr/include/stdio.h" 2 3 4# 1 "/usr/include/bits/types.h" 1 3 4# 27 "/usr/include/bits/types.h" 3 4# 1 "/usr/include/bits/wordsize.h" 1 3 4# 28 "/usr/include/bits/types.h" 2 3 4typedef unsigned char __u_char;typedef unsigned short int __u_short;typedef unsigned int __u_int;typedef unsigned long int __u_long;typedef signed char __int8_t;typedef unsigned char __uint8_t;typedef signed short int __int16_t;typedef unsigned short int __uint16_t;typedef signed int __int32_t;typedef unsigned int __uint32_t;typedef signed long int __int64_t;typedef unsigned long int __uint64_t;typedef long int __quad_t;typedef unsigned long int __u_quad_t;# 130 "/usr/include/bits/types.h" 3 4# 1 "/usr/include/bits/typesizes.h" 1 3 4# 131 "/usr/include/bits/types.h" 2 3 4typedef unsigned long int __dev_t;typedef unsigned int __uid_t;typedef unsigned int __gid_t;typedef unsigned long int __ino_t;typedef unsigned long int __ino64_t;typedef unsigned int __mode_t;typedef unsigned long int __nlink_t;typedef long int __off_t;typedef long int __off64_t;typedef int __pid_t;typedef struct { int __val[2]; } __fsid_t;typedef long int __clock_t;typedef unsigned long int __rlim_t;typedef unsigned long int __rlim64_t;typedef unsigned int __id_t;typedef long int __time_t;typedef unsigned int __useconds_t;typedef long int __suseconds_t;typedef int __daddr_t;typedef int __key_t;typedef int __clockid_t;typedef void * __timer_t;typedef long int __blksize_t;typedef long int __blkcnt_t;typedef long int __blkcnt64_t;typedef unsigned long int __fsblkcnt_t;typedef unsigned long int __fsblkcnt64_t;typedef unsigned long int __fsfilcnt_t;typedef unsigned long int __fsfilcnt64_t;typedef long int __fsword_t;typedef long int __ssize_t;typedef long int __syscall_slong_t;typedef unsigned long int __syscall_ulong_t;typedef __off64_t __loff_t;typedef __quad_t *__qaddr_t;typedef char *__caddr_t;typedef long int __intptr_t;typedef unsigned int __socklen_t;# 36 "/usr/include/stdio.h" 2 3 4# 44 "/usr/include/stdio.h" 3 4struct _IO_FILE;typedef struct _IO_FILE FILE;# 64 "/usr/include/stdio.h" 3 4typedef struct _IO_FILE __FILE;# 74 "/usr/include/stdio.h" 3 4# 1 "/usr/include/libio.h" 1 3 4# 32 "/usr/include/libio.h" 3 4# 1 "/usr/include/_G_config.h" 1 3 4# 15 "/usr/include/_G_config.h" 3 4# 1 "/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stddef.h" 1 3 4# 16 "/usr/include/_G_config.h" 2 3 4# 1 "/usr/include/wchar.h" 1 3 4# 82 "/usr/include/wchar.h" 3 4typedef struct{ int __count; union { unsigned int __wch; char __wchb[4]; } __value;} __mbstate_t;# 21 "/usr/include/_G_config.h" 2 3 4typedef struct{ __off_t __pos; __mbstate_t __state;} _G_fpos_t;typedef struct{ __off64_t __pos; __mbstate_t __state;} _G_fpos64_t;# 33 "/usr/include/libio.h" 2 3 4# 50 "/usr/include/libio.h" 3 4# 1 "/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h" 1 3 4# 40 "/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include/stdarg.h" 3 4typedef __builtin_va_list __gnuc_va_list;# 51 "/usr/include/libio.h" 2 3 4# 145 "/usr/include/libio.h" 3 4struct _IO_jump_t; struct _IO_FILE;# 155 "/usr/include/libio.h" 3 4typedef void _IO_lock_t;struct _IO_marker { struct _IO_marker *_next; struct _IO_FILE *_sbuf; int _pos;# 178 "/usr/include/libio.h" 3 4};enum __codecvt_result{ __codecvt_ok, __codecvt_partial, __codecvt_error, __codecvt_noconv};# 246 "/usr/include/libio.h" 3 4struct _IO_FILE { int _flags; char* _IO_read_ptr; char* _IO_read_end; char* _IO_read_base; char* _IO_write_base; char* _IO_write_ptr; char* _IO_write_end; char* _IO_buf_base; char* _IO_buf_end; char *_IO_save_base; char *_IO_backup_base; char *_IO_save_end; struct _IO_marker *_markers; struct _IO_FILE *_chain; int _fileno; int _flags2; __off_t _old_offset; unsigned short _cur_column; signed char _vtable_offset; char _shortbuf[1]; _IO_lock_t *_lock;# 294 "/usr/include/libio.h" 3 4 __off64_t _offset;# 303 "/usr/include/libio.h" 3 4 void *__pad1; void *__pad2; void *__pad3; void *__pad4; size_t __pad5; int _mode; char _unused2[15 * sizeof (int) - 4 * sizeof (void *) - sizeof (size_t)];};typedef struct _IO_FILE _IO_FILE;struct _IO_FILE_plus;extern struct _IO_FILE_plus _IO_2_1_stdin_;extern struct _IO_FILE_plus _IO_2_1_stdout_;extern struct _IO_FILE_plus _IO_2_1_stderr_;# 339 "/usr/include/libio.h" 3 4typedef __ssize_t __io_read_fn (void *__cookie, char *__buf, size_t __nbytes);typedef __ssize_t __io_write_fn (void *__cookie, const char *__buf, size_t __n);typedef int __io_seek_fn (void *__cookie, __off64_t *__pos, int __w);typedef int __io_close_fn (void *__cookie);# 391 "/usr/include/libio.h" 3 4extern int __underflow (_IO_FILE *);extern int __uflow (_IO_FILE *);extern int __overflow (_IO_FILE *, int);# 435 "/usr/include/libio.h" 3 4extern int _IO_getc (_IO_FILE *__fp);extern int _IO_putc (int __c, _IO_FILE *__fp);extern int _IO_feof (_IO_FILE *__fp) __attribute__ ((__nothrow__ , __leaf__));extern int _IO_ferror (_IO_FILE *__fp) __attribute__ ((__nothrow__ , __leaf__));extern int _IO_peekc_locked (_IO_FILE *__fp);extern void _IO_flockfile (_IO_FILE *) __attribute__ ((__nothrow__ , __leaf__));extern void _IO_funlockfile (_IO_FILE *) __attribute__ ((__nothrow__ , __leaf__));extern int _IO_ftrylockfile (_IO_FILE *) __attribute__ ((__nothrow__ , __leaf__));# 465 "/usr/include/libio.h" 3 4extern int _IO_vfscanf (_IO_FILE * __restrict, const char * __restrict, __gnuc_va_list, int *__restrict);extern int _IO_vfprintf (_IO_FILE *__restrict, const char *__restrict, __gnuc_va_list);extern __ssize_t _IO_padn (_IO_FILE *, int, __ssize_t);extern size_t _IO_sgetn (_IO_FILE *, void *, size_t);extern __off64_t _IO_seekoff (_IO_FILE *, __off64_t, int, int);extern __off64_t _IO_seekpos (_IO_FILE *, __off64_t, int);extern void _IO_free_backup_area (_IO_FILE *) __attribute__ ((__nothrow__ , __leaf__));# 75 "/usr/include/stdio.h" 2 3 4typedef __gnuc_va_list va_list;# 90 "/usr/include/stdio.h" 3 4typedef __off_t off_t;# 102 "/usr/include/stdio.h" 3 4typedef __ssize_t ssize_t;typedef _G_fpos_t fpos_t;# 164 "/usr/include/stdio.h" 3 4# 1 "/usr/include/bits/stdio_lim.h" 1 3 4# 165 "/usr/include/stdio.h" 2 3 4extern struct _IO_FILE *stdin;extern struct _IO_FILE *stdout;extern struct _IO_FILE *stderr;extern int remove (const char *__filename) __attribute__ ((__nothrow__ , __leaf__));extern int rename (const char *__old, const char *__new) __attribute__ ((__nothrow__ , __leaf__));extern int renameat (int __oldfd, const char *__old, int __newfd, const char *__new) __attribute__ ((__nothrow__ , __leaf__));extern FILE *tmpfile (void) ;# 209 "/usr/include/stdio.h" 3 4extern char *tmpnam (char *__s) __attribute__ ((__nothrow__ , __leaf__)) ;extern char *tmpnam_r (char *__s) __attribute__ ((__nothrow__ , __leaf__)) ;# 227 "/usr/include/stdio.h" 3 4extern char *tempnam (const char *__dir, const char *__pfx) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__malloc__)) ;extern int fclose (FILE *__stream);extern int fflush (FILE *__stream);# 252 "/usr/include/stdio.h" 3 4extern int fflush_unlocked (FILE *__stream);# 266 "/usr/include/stdio.h" 3 4extern FILE *fopen (const char *__restrict __filename, const char *__restrict __modes) ;extern FILE *freopen (const char *__restrict __filename, const char *__restrict __modes, FILE *__restrict __stream) ;# 295 "/usr/include/stdio.h" 3 4# 306 "/usr/include/stdio.h" 3 4extern FILE *fdopen (int __fd, const char *__modes) __attribute__ ((__nothrow__ , __leaf__)) ;# 319 "/usr/include/stdio.h" 3 4extern FILE *fmemopen (void *__s, size_t __len, const char *__modes) __attribute__ ((__nothrow__ , __leaf__)) ;extern FILE *open_memstream (char **__bufloc, size_t *__sizeloc) __attribute__ ((__nothrow__ , __leaf__)) ;extern void setbuf (FILE *__restrict __stream, char *__restrict __buf) __attribute__ ((__nothrow__ , __leaf__));extern int setvbuf (FILE *__restrict __stream, char *__restrict __buf, int __modes, size_t __n) __attribute__ ((__nothrow__ , __leaf__));extern void setbuffer (FILE *__restrict __stream, char *__restrict __buf, size_t __size) __attribute__ ((__nothrow__ , __leaf__));extern void setlinebuf (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__));extern int fprintf (FILE *__restrict __stream, const char *__restrict __format, ...);extern int printf (const char *__restrict __format, ...);extern int sprintf (char *__restrict __s, const char *__restrict __format, ...) __attribute__ ((__nothrow__));extern int vfprintf (FILE *__restrict __s, const char *__restrict __format, __gnuc_va_list __arg);extern int vprintf (const char *__restrict __format, __gnuc_va_list __arg);extern int vsprintf (char *__restrict __s, const char *__restrict __format, __gnuc_va_list __arg) __attribute__ ((__nothrow__));extern int snprintf (char *__restrict __s, size_t __maxlen, const char *__restrict __format, ...) __attribute__ ((__nothrow__)) __attribute__ ((__format__ (__printf__, 3, 4)));extern int vsnprintf (char *__restrict __s, size_t __maxlen, const char *__restrict __format, __gnuc_va_list __arg) __attribute__ ((__nothrow__)) __attribute__ ((__format__ (__printf__, 3, 0)));# 412 "/usr/include/stdio.h" 3 4extern int vdprintf (int __fd, const char *__restrict __fmt, __gnuc_va_list __arg) __attribute__ ((__format__ (__printf__, 2, 0)));extern int dprintf (int __fd, const char *__restrict __fmt, ...) __attribute__ ((__format__ (__printf__, 2, 3)));extern int fscanf (FILE *__restrict __stream, const char *__restrict __format, ...) ;extern int scanf (const char *__restrict __format, ...) ;extern int sscanf (const char *__restrict __s, const char *__restrict __format, ...) __attribute__ ((__nothrow__ , __leaf__));# 443 "/usr/include/stdio.h" 3 4extern int fscanf (FILE *__restrict __stream, const char *__restrict __format, ...) __asm__ ("" "__isoc99_fscanf") ;extern int scanf (const char *__restrict __format, ...) __asm__ ("" "__isoc99_scanf") ;extern int sscanf (const char *__restrict __s, const char *__restrict __format, ...) __asm__ ("" "__isoc99_sscanf") __attribute__ ((__nothrow__ , __leaf__)) ;# 463 "/usr/include/stdio.h" 3 4extern int vfscanf (FILE *__restrict __s, const char *__restrict __format, __gnuc_va_list __arg) __attribute__ ((__format__ (__scanf__, 2, 0))) ;extern int vscanf (const char *__restrict __format, __gnuc_va_list __arg) __attribute__ ((__format__ (__scanf__, 1, 0))) ;extern int vsscanf (const char *__restrict __s, const char *__restrict __format, __gnuc_va_list __arg) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__format__ (__scanf__, 2, 0)));# 494 "/usr/include/stdio.h" 3 4extern int vfscanf (FILE *__restrict __s, const char *__restrict __format, __gnuc_va_list __arg) __asm__ ("" "__isoc99_vfscanf") __attribute__ ((__format__ (__scanf__, 2, 0))) ;extern int vscanf (const char *__restrict __format, __gnuc_va_list __arg) __asm__ ("" "__isoc99_vscanf") __attribute__ ((__format__ (__scanf__, 1, 0))) ;extern int vsscanf (const char *__restrict __s, const char *__restrict __format, __gnuc_va_list __arg) __asm__ ("" "__isoc99_vsscanf") __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__format__ (__scanf__, 2, 0)));# 522 "/usr/include/stdio.h" 3 4extern int fgetc (FILE *__stream);extern int getc (FILE *__stream);extern int getchar (void);# 550 "/usr/include/stdio.h" 3 4extern int getc_unlocked (FILE *__stream);extern int getchar_unlocked (void);# 561 "/usr/include/stdio.h" 3 4extern int fgetc_unlocked (FILE *__stream);extern int fputc (int __c, FILE *__stream);extern int putc (int __c, FILE *__stream);extern int putchar (int __c);# 594 "/usr/include/stdio.h" 3 4extern int fputc_unlocked (int __c, FILE *__stream);extern int putc_unlocked (int __c, FILE *__stream);extern int putchar_unlocked (int __c);extern int getw (FILE *__stream);extern int putw (int __w, FILE *__stream);extern char *fgets (char *__restrict __s, int __n, FILE *__restrict __stream) ;# 638 "/usr/include/stdio.h" 3 4extern char *gets (char *__s) __attribute__ ((__deprecated__));# 665 "/usr/include/stdio.h" 3 4extern __ssize_t __getdelim (char **__restrict __lineptr, size_t *__restrict __n, int __delimiter, FILE *__restrict __stream) ;extern __ssize_t getdelim (char **__restrict __lineptr, size_t *__restrict __n, int __delimiter, FILE *__restrict __stream) ;extern __ssize_t getline (char **__restrict __lineptr, size_t *__restrict __n, FILE *__restrict __stream) ;extern int fputs (const char *__restrict __s, FILE *__restrict __stream);extern int puts (const char *__s);extern int ungetc (int __c, FILE *__stream);extern size_t fread (void *__restrict __ptr, size_t __size, size_t __n, FILE *__restrict __stream) ;extern size_t fwrite (const void *__restrict __ptr, size_t __size, size_t __n, FILE *__restrict __s);# 737 "/usr/include/stdio.h" 3 4extern size_t fread_unlocked (void *__restrict __ptr, size_t __size, size_t __n, FILE *__restrict __stream) ;extern size_t fwrite_unlocked (const void *__restrict __ptr, size_t __size, size_t __n, FILE *__restrict __stream);extern int fseek (FILE *__stream, long int __off, int __whence);extern long int ftell (FILE *__stream) ;extern void rewind (FILE *__stream);# 773 "/usr/include/stdio.h" 3 4extern int fseeko (FILE *__stream, __off_t __off, int __whence);extern __off_t ftello (FILE *__stream) ;# 792 "/usr/include/stdio.h" 3 4extern int fgetpos (FILE *__restrict __stream, fpos_t *__restrict __pos);extern int fsetpos (FILE *__stream, const fpos_t *__pos);# 815 "/usr/include/stdio.h" 3 4# 824 "/usr/include/stdio.h" 3 4extern void clearerr (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__));extern int feof (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;extern int ferror (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;extern void clearerr_unlocked (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__));extern int feof_unlocked (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;extern int ferror_unlocked (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;extern void perror (const char *__s);# 1 "/usr/include/bits/sys_errlist.h" 1 3 4# 26 "/usr/include/bits/sys_errlist.h" 3 4extern int sys_nerr;extern const char *const sys_errlist[];# 854 "/usr/include/stdio.h" 2 3 4extern int fileno (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;extern int fileno_unlocked (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;# 873 "/usr/include/stdio.h" 3 4extern FILE *popen (const char *__command, const char *__modes) ;extern int pclose (FILE *__stream);extern char *ctermid (char *__s) __attribute__ ((__nothrow__ , __leaf__));# 913 "/usr/include/stdio.h" 3 4extern void flockfile (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__));extern int ftrylockfile (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__)) ;extern void funlockfile (FILE *__stream) __attribute__ ((__nothrow__ , __leaf__));# 943 "/usr/include/stdio.h" 3 4# 2 "HelloWorld.c" 2int main(void){ printf("Hello World\n"); return 0;} 版权声明：
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