static int optu;
-int main(int argc, char **argv)
-{
+int main(int argc, char **argv) {
extern int opterr, optind;
int c, fd;
char *fn;
opterr = 0;
while ((c = getopt(argc, argv, "u")) != -1)
- switch (c)
- {
+ switch (c) {
case 'u':
optu = 1;
break;
return(exitstatus);
}
-
-void catfile(int fd, char *fn)
-{
+void catfile(int fd, char *fn) {
unsigned char buf[BUFSIZE];
ssize_t n;
while ((n = read(fd, buf, (optu ? 1 : BUFSIZE))) > 0)
- if (write(STDOUT_FILENO, buf, (size_t)n) != n)
- {
+ if (write(STDOUT_FILENO, buf, (size_t)n) != n) {
error("stdout");
break;
}
- if (n < 0)
- error(fn);
+ if (n < 0) error(fn);
}
-
-void error(char *s)
-{
+void error(char *s) {
fprintf(stderr, "cat: %s: %s\n", s, strerror(errno));
exitstatus = 1;
}