1 files changed, 17 insertions, 0 deletions
diff --git a/libpsx/src/libc/unistd.c b/libpsx/src/libc/unistd.c
new file mode 100644
index 0000000..f64096b
--- /dev/null
+++ b/libpsx/src/libc/unistd.c
@@ -0,0 +1,17 @@
+#include <stdlib.h>
+#include <unistd.h>
+
+void swab(const void *src, void *dst, ssize_t len)
+{
+	ssize_t x;
+	const unsigned char *srcp = src;
+	unsigned char *dstp = dst;
+	
+	for(x = 0; x < len; x+=2)
+	{
+		dstp[x] = srcp[x + 1];
+		
+		if( (x+1) < len )
+			dstp[x+1] = srcp[x];
+	}
+}