/* $Header$ */
#include <stdio.h>
char *gets(str)
char *str;
{
register int ch;
register char *ptr;
ptr = str;
while ((ch = getc(stdin)) != EOF && ch != '\n')
*ptr++ = ch;
if (ch == EOF && ptr==str)
return(NULL);
*ptr = '\0';
return(str);
}
