Permalink
Cannot retrieve contributors at this time
Join GitHub today
GitHub is home to over 28 million developers working together to host and review code, manage projects, and build software together.
Sign up
Fetching contributors…
Cannot retrieve contributors at this time
| #include <stdio.h> | |
| /* cat: concatenate files, version 2 */ | |
| main(int argc, char *argv[]) | |
| FILE *fp | |
| void filecopy(FILE *, FILE *) | |
| char *prog = argv[0] /* program name for errors */ | |
| if argc == 1 /* no args; copy standard input */ | |
| filecopy(stdin, stdout) | |
| else | |
| while --argc > 0 | |
| if (fp = fopen(*++argv, "r")) == NULL | |
| fprintf(stderr, "%s: can’t open %s\n", | |
| prog, argv) | |
| exit(1) | |
| else | |
| filecopy(fp, stdout) | |
| fclose(fp) | |
| if ferror(stdout) | |
| fprintf(stderr, "%s: error writing stdout\n", prog) | |
| exit(2) | |
| exit(0) |