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

     1  #include <ctype.h>
     2  
     3  /* nonsense function that should NEVER be used! */
     4  int toascii(int c)
     5  {
     6  	return c & 0x7f;
     7  }