use isinf(3) and isnan(3) instead of rolling our own

[unix-history] / usr / src / lib / libc / gen / getgrgid.c

#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)getgrgid.c  5.2 (Berkeley) %G%";
#endif LIBC_SCCS and not lint

#include <grp.h>

struct group *
getgrgid(gid)
register gid;
{
       register struct group *p;
       struct group *getgrent();

       setgrent();
       while( (p = getgrent()) && p->gr_gid != gid );
       endgrent();
       return(p);
}