6.24.22 wctype Function

Returns a value that describes a class of wide characters and that can be used by iswctype().

Include

<wctype.h>

Prototype

int wctype(const char * property);

Argument

property

The wide character property to test for.

Return Value

Returns a value with type wctype_t that describes a class of wide characters identified by the string argument, property

Remarks

The string arguments are shown in the following table along with the wide character function which tests for the same wide character property.

Example

See the notes at the beginning of this chapter or section for information on using printf() or scanf() (and other functions reading and writing the stdin or stdout streams) in the example code.

#include <wctype.h>
#include <stdio.h>
#include <stdbool.h>

int main(void)
{
	wchar_t wStr[] = L"A string, 2 wide 4 some.\n";
	wint_t wc;
	unsigned idx = 0;
	bool found = false;

	do {
		wc = wStr[idx];
             if(iswctype(wc, wctype("digit"))) {
			if( ! found)
				printf("Found matching wide char at position: ");
			printf("%s%u", found ? ", " : "", idx);
			found = true;
		}
		idx++;
	} while(wStr[idx]);
	printf("\n");
}

Example Output

Found matching wide char at position: 10, 17