BSD 4 release

[unix-history] / usr / src / cmd / nice.c

static char *sccsid = "@(#)nice.c       4.1 (Berkeley) 10/1/80";
/* nice */

#include <stdio.h>

main(argc, argv)
int argc;
char *argv[];
{
       int nicarg = 10;
       extern errno;
       extern char *sys_errlist[];

       if(argc > 1 && argv[1][0] == '-') {
               nicarg = atoi(&argv[1][1]);
               argc--;
               argv++;
       }
       if(argc < 2) {
               fputs("usage: nice [ -n ] command\n", stderr);
               exit(1);
       }
       nice(nicarg);
       execvp(argv[1], &argv[1]);
       fprintf(stderr, "%s: %s\n", sys_errlist[errno], argv[1]);
       exit(1);
}