fgets.c

用于zip arj rar 等密码破解库源码。

#include <stdio.h>

/* get a string from file in DOS/UNIX format */

char * mfgets (char *s, int n, FILE *fp)
{
        register    int    c = 0;
        register    char    *P;

        P = s;

        while (--n > 0  && (c = getc(fp)) != EOF && '\n' != c)  *P++ = c;

        if (EOF == c && P == s)  return( NULL );
        *P = 0;
        return (ferror (fp)) ? NULL : s;
}