iswalpha
iswalpha
Defined in header <wctype.h> | ||
---|---|---|
int iswalpha( wint_t ch ); | (since C95) |
Checks if the given wide character is an alphabetic character, i.e. either an uppercase letter (ABCDEFGHIJKLMNOPQRSTUVWXYZ
), a lowercase letter (abcdefghijklmnopqrstuvwxyz
) or any alphabetic character specific to the current locale.
Parameters
ch | - | wide character |
Return value
Non-zero value if the wide character is a alphabetic character, zero otherwise.