Update string.h

1 year ago · 156790f18d
parent 9be5ff45a2
commit 156790f18d
1 changed files with 1 additions and 0 deletions
--- a/22-malloc/libc/string.h
+++ b/22-malloc/libc/string.h
@ -8,5 +8,6 @@ int strlen(char s[]);
 void backspace(char s[]);
 void append(char s[], char n);
 int strcmp(char s1[], char s2[]);
+char chrupper(char chr);

 #endif