initial checkout from wrc

1 files changed, 32 insertions, 0 deletions

diff --git a/lib/strcmp.c b/lib/strcmp.c
new file mode 100644
index 0000000..c59f4f7
--- /dev/null
+++ b/lib/strcmp.c
@@ -0,0 +1,32 @@
+/**
+** @file	strcmp.c
+**
+** @author	Numerous CSCI-452 classes
+**
+** @brief	C implementations of common library functions
+*/
+
+#ifndef STRCMP_SRC_INC
+#define STRCMP_SRC_INC
+
+#include <common.h>
+
+#include <lib.h>
+
+/**
+** strcmp(s1,s2) - compare two NUL-terminated strings
+**
+** @param s1 The first source string
+** @param s2 The second source string
+**
+** @return negative if s1 < s2, zero if equal, and positive if s1 > s2
+*/
+int strcmp( register const char *s1, register const char *s2 ) {
+
+	while( *s1 != 0 && (*s1 == *s2) )
+		++s1, ++s2;
+
+	return( *s1 - *s2 );
+}
+
+#endif