Added missing function prototype signatures.

Corrected socket_broadcast name to socket_broadcast4 in socket_if.h.
Added const to fmt_str.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/fmt.c b/src/fmt.c
index 77a3c93..e904bd3 100644
--- a/src/fmt.c
+++ b/src/fmt.c
@@ -7,7 +7,7 @@
   @brief formating differnt inputs format for output printing
 */
 
-unsigned int fmt_str(char *s, char *t)
+unsigned int fmt_str(char *s, const char *t)
 {
   unsigned int len;
   char ch;