?? ferrorf.c
字號:
/* FERRORF.C
** Prints error message with printf() formatting syntax, then a colon,
** then a message corressponding to the value of errno, then a newline.
** Output is to filehandle.
**
** Public Domain by Mark R. Devlin, free usage is permitted.
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
int ferrorf(FILE *filehandle, const char *format, ...)
{
int vfp, fp;
va_list vargs;
vfp = fp = 0;
va_start(vargs, format);
vfp = vfprintf(filehandle, format, vargs);
va_end(vargs);
fp = fprintf(filehandle, ": %s\n", sys_errlist[errno]);
return ((vfp==EOF || fp==EOF) ? EOF : (vfp+fp));
}
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -