ref: a9e7bd9ed9a7e4166348af13878ab0f953d77bb5
dir: /lib/c/fgets.c/
#include <stdio.h> #undef fgets char * fgets(char *s, int n, FILE *fp) { int ch; char *t = s; while (--n > 0 && (ch = getc(fp)) != EOF) { if ((*t++ = ch) == '\n') break; } if (ch == EOF && s == t) return NULL; *t = '\0'; return s; }