ref: 4a30e556f7b66bcd2e68ab04bd3c9c42e1e4dfac
dir: /sys/src/libstdio/gets.c/
/*
* pANS stdio -- gets
*/
#include "iolib.h"
char *gets(char *as){
#ifdef secure
stdin->flags|=ERR;
return NULL;
#else
char *s=as;
int c;
while((c=getchar())!='\n' && c!=EOF) *s++=c;
if(c!=EOF || s!=as) *s='\0';
else return NULL;
return as;
#endif
}