wiptty

1 files changed, 23 insertions, 0 deletions

diff --git a/src/libc/include/string.h b/src/libc/include/string.h
index 20c9cf3..0a7b7f2 100644
--- a/src/libc/include/string.h
+++ b/src/libc/include/string.h
@@ -1,3 +1,21 @@
+/*
+ * wanix, a Unix-like operating system for WebAssembly applications.
+ * Copyright (C) 2025  Xavier Del Campo Romero
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
 #ifndef _STRING_H
 #define _STRING_H
 
@@ -7,7 +25,12 @@ int memcmp(const void *__s1, const void *__s2, size_t __n);
 void *memcpy(void *__dst, const void *__src, size_t __n);
 void *memset(void *__dst, int __c, size_t __n);
 char *strchr(const char *__s, int __n);
+int strcmp(const char *__a, const char *__b);
+char *strdup(const char *__s);
+int strncmp(const char *__a, const char *__b, size_t __n);
+char *strndup(const char *__s, size_t __n);
 char *strerror(int errnum);
 size_t strlen(const char *__s);
+char *strrchr(const char *__s, int __c);
 
 #endif