Embedded Artistry libc
C Standard Library Support for Bare-metal Systems
iswdigit.c
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1 #include <wctype.h>
2 
3 int iswdigit(wint_t wc)
4 {
5  return (unsigned)wc - '0' < 10;
6 }
wint_t
unsigned wint_t
Definition: wctype.h:11
iswdigit
int iswdigit(wint_t wc)
Definition: iswdigit.c:3