#include <ctype.h>
int isalnum(int c);
#include <ctype.h>
main(){
char str[] = "123c@#FDsP[e?";
int i;
for (i = 0; str[i] != 0; i++)
if(isalnum(str[i]))
printf("%c is an alphanumeric character\n", str[i]);
}
1 is an apphabetic character 2 is an apphabetic character 3 is an apphabetic character c is an apphabetic character F is an apphabetic character D is an apphabetic character s is an apphabetic character P is an apphabetic character e is an apphabetic character
#include <ctype.h>
int isalpha(int c);
#include <ctype.h>
main(){
char str[] = "123c@#FDsP[e?";
int i;
for (i = 0; str[i] != 0; i++)
if(isalpha(str[i]))
printf("%c is an alphanumeric character\n", str[i]);
}
c is an apphabetic character F is an apphabetic character D is an apphabetic character s is an apphabetic character P is an apphabetic character e is an apphabetic character
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