github.com/afumu/libc@v0.0.6/musl/src/ctype/ispunct.c (about)

     1  #include <ctype.h>
     2  
     3  int ispunct(int c)
     4  {
     5  	return isgraph(c) && !isalnum(c);
     6  }
     7  
     8  int __ispunct_l(int c, locale_t l)
     9  {
    10  	return ispunct(c);
    11  }
    12  
    13  weak_alias(__ispunct_l, ispunct_l);