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-rw-r--r--lib/strlen.c32
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diff --git a/lib/strlen.c b/lib/strlen.c
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+/**
+** @file strlen.c
+**
+** @author Numerous CSCI-452 classes
+**
+** @brief C implementations of common library functions
+*/
+
+#ifndef STRLEN_SRC_INC
+#define STRLEN_SRC_INC
+
+#include <common.h>
+
+#include <lib.h>
+
+/**
+** strlen(str) - return length of a NUL-terminated string
+**
+** @param str The string to examine
+**
+** @return The length of the string, or 0
+*/
+uint32_t strlen( register const char *str ) {
+ register uint32_t len = 0;
+
+ while( *str++ ) {
+ ++len;
+ }
+
+ return( len );
+}
+#endif