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

     1  #include <ctype.h>
     2  #undef isgraph
     3  
     4  int isgraph(int c)
     5  {
     6  	return (unsigned)c-0x21 < 0x5e;
     7  }
     8  
     9  int __isgraph_l(int c, locale_t l)
    10  {
    11  	return isgraph(c);
    12  }
    13  
    14  weak_alias(__isgraph_l, isgraph_l);