Format
#include <ctype.h> int isblank(int c);
Language Level: Extended
Threadsafe: Yes.
Description
The isblank() function tests if a character is either the EBCDIC space or EBCDIC tab character.
Return Value
The isblank() function returns nonzero if c is either the EBCDIC space character or the EBCDIC tab character, otherwise it returns 0.
Example that uses isblank()
This example tests several characters using isblank().
#include <stdio.h> #include <ctype.h> int main(void) { char *buf = "a b\tc"; int i; for (i = 0; i < 5; i++) { if (isblank(buf[i])) printf("Character %d is not a blank.\n", i); else printf("Character %d is a blank\n", i); } return 0; } /************************************* The output should be Character 0 is not a blank. Character 1 is a blank. Character 2 is not a blank. Character 3 is a blank. Character 4 is not a blank. *************************************/
Related Information
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