diff --git a/libs/libc/include/string.h b/libs/libc/include/string.h
index 2d79f1a2..7dd597c5 100644
--- a/libs/libc/include/string.h
+++ b/libs/libc/include/string.h
@@ -49,6 +49,10 @@ extern "C"
     /* Returns a pointer to the last occurrence of the character c in str, or NULL if it is not found. */
     char* strrchr(const char* str, int c);
 
+    /* Returns a pointer to the first occurrence of the character c in str, or a pointer to the terminating null byte of
+     * str if it is not found. */
+    char* strchrnul(const char* str, int c);
+
     /* Concatenates at most max bytes of the string src into dest. */
     char* strncat(char* dest, const char* src, size_t max);
 
diff --git a/libs/libc/src/string.cpp b/libs/libc/src/string.cpp
index e4e1d235..265f0c73 100644
--- a/libs/libc/src/string.cpp
+++ b/libs/libc/src/string.cpp
@@ -208,6 +208,12 @@ extern "C"
         return NULL;
     }
 
+    char* strchrnul(const char* str, int c)
+    {
+        while (*str && *str != (char)c) str++;
+        return const_cast<char*>(str);
+    }
+
     char* strrchr(const char* str, int c)
     {
         const char* s = str + strlen(str);