1: #include <grp.h> 2: 3: struct group * 4: getgrnam(name) 5: register char *name; 6: { 7: register struct group *p; 8: struct group *getgrent(); 9: 10: setgrent(); 11: while( (p = getgrent()) && strcmp(p->gr_name,name) ); 12: endgrent(); 13: return(p); 14: }