strcmp 구현

hyejun0608 · Jun 17, 2020 · e1b2175 · e1b2175
1 parent 7177a5f
commit e1b2175
Showing 1 changed file with 24 additions and 0 deletions.
diff --git a/strcmp 구현.c b/strcmp 구현.c
@@ -0,0 +1,24 @@
+#include <stdio.h>
+
+int strcmp(char* dest, char* src) {
+	int i;
+	for (i = 0; dest[i]||src[i]; i++) {
+		if (dest[i] > src[i]) {
+			return 1;
+		}
+		else if (dest[i] < src[i]) {
+			return -1;
+		}
+	}
+	if (dest[i]) return 1;
+	else if (src[i]) return -1;
+	return 0;
+}
+
+int main() {
+	char dest[100], src[100];
+	int i;
+	gets(dest);
+	gets(src);
+	printf("%d", strcmp(dest, src));
+}