LibC: Add strcpy function to string.h

libc/Makefile

@@ -41,6 +41,7 @@ string/memmove.o \
 string/memset.o \
 string/strlen.o \
 string/strcmp.o \
+string/strcpy.o \
 
 HOSTEDOBJS=\
 $(ARCH_HOSTEDOBJS) \

libc/include/string.h

@@ -15,6 +15,7 @@ void* memmove(void*, const void*, size_t);
 void* memset(void*, int, size_t);
 size_t strlen(const char*);
 int strcmp(const char *str1, const char *str2);
+char *strcpy(char *dest, const char *src);
 
 #ifdef __cplusplus
 }

libc/string/strcpy.c

@@ -0,0 +1,10 @@
+#include "string.h"
+
+char *strcpy(char *dest, const char *src) {
+        size_t i;
+        for (i = 0; i < strlen(src) && src[i] != '\0'; i++)
+                dest[i] = src[i];
+        dest[i] = '\0';
+        return dest;
+}
+