ref: b31f1df1d643e39a29ea565ad9836e25261dbbc7
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
}