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npc(1): specifies sysexits imports, formatting

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This commit is contained in:
Emma Tebibyte 2024-07-13 17:03:41 -06:00
parent 8421f8be87
commit 35a20dca79
Signed by: emma
GPG Key ID: 06FA419A1698C270
1 changed files with 11 additions and 11 deletions
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22
src/npc.c
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@ -19,9 +19,9 @@
#include <stdio.h> /* fprintf(3), fputs(3), getc(3), putc(3), stdin, stdout,
* EOF */
#include <stdlib.h> /* EXIT_FAILURE, EXIT_SUCCESS */
#include <stdlib.h> /* EXIT_FAILURE */
#include <unistd.h> /* getopt(3) */
#include <sysexits.h>
#include <sysexits.h> /* EX_OK, EX_USAGE */
int usage(char *s) {
fprintf(stderr, "Usage: %s [-et]\n", s);
@ -36,17 +36,17 @@ int main(int argc, char *argv[]) {
showend = 0;
showtab = 0;
if(!argc > 0) { usage(argv[0]); }
while ((c = getopt(argc, argv, "et")) != -1) {
switch(c){
case 'e': showend = 1; break;
case 't': showtab = 1; break;
default: return usage(argv[0]);
if (argc > 0) {
while ((c = getopt(argc, argv, "et")) != -1) {
switch (c){
case 'e': showend = 1; break;
case 't': showtab = 1; break;
default: return usage(argv[0]);
}
}
}
if(argc > optind) { return usage(argv[0]); }
if (argc > optind) { return usage(argv[0]); }
while ((c = getc(stdin)) != EOF) {
if ((c & 0x80) != 0) { fputs("M-", stdout); }
@ -55,7 +55,7 @@ int main(int argc, char *argv[]) {
case 0x7f: fputs("^?", stdout); break;
case '\n': if (showend) { putc('$', stdout); }
default:
if(c >= ' ' || c == '\n' || (!showtab && c == '\t')) {
if (c >= ' ' || c == '\n' || (!showtab && c == '\t')) {
putc(c, stdout);
} else {
fprintf(stdout, "^%c", c + '@');