getopt

getopt/getopt.c

@@ -0,0 +1,15 @@
+#include <stdio.h>
+#include <unistd.h>
+
+int main(int argc, char *argv[]) {
+    int opt;
+    while ((opt = getopt(argc, argv, "hf:o:")) != -1) {
+        switch (opt) {
+        case 'h': puts("Help"); break;
+        case 'f': printf("File: %s\n", optarg); break;
+        case 'o': printf("Output: %s\n", optarg); break;
+        default: fprintf(stderr, "Usage: %s [-h] [-f file] [-o output]\n", argv[0]); return 1;
+        }
+    }
+    return 0;
+}