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Categories / C Tutorial / Wide Character String

 

An open-ended means of classifying characters

Header file wctype.h Declarationwctype_t wctype(const char *attr);int iswctype(wint_t ch, wctype_t attr_ob); alnum digit print upper alpha graph punct xdigit cntrl lower space The following fragment demonstrates the wctype() and iswctype() functions: #include <wctype.h> #include <stdio.h> int main(void){   wctype_t x;   x = wctype("space");   if(iswctype(L' ', x)){     printf("Is a space.\n");   } } (C: The Complete Reference, Fourth Edition by Herbert Schildt McGraw-Hill/Osborne 2000 ISBN-10: 0072121246, ISBN-13: 978-0072121247)