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#include <stdio.h> int isxdigit(int c);
The function returns nonzero if c is any of:
0 1 2 3 4 5 6 7 8 9 a b c d e f A B C D E F
The function returns nonzero if c is hexa digit otherwise this will return zero which will be equivalent to false.
#include <stdio.h> int main() { if( isxdigit( 'Z' ) ) { printf( "Character Z is Hexa digit\n" ); } if( isxdigit( 'A' ) ) { printf( "Character A is Hexa digit\n" ); } return 0; }
It will proiduce following result:
Character A is Hexa digit
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