c check if character is a digit or alphabet
char ch = '/';
if(isalnum(ch))
printf("numeric or ap=lphabet");
else
printf("other symbol" );
//output: other symbol
CCopy
c check if character is a digit or alphabet
char ch = '/';
if(isalnum(ch))
printf("numeric or ap=lphabet");
else
printf("other symbol" );
//output: other symbol
CCopy
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