- #include <stdio.h>
- int strlen(char str[])
- {
- int i = 0;
- while (str[i] != NULL)
- i++;
- return(i);
- }
- void main(void)
- {
- printf("Length of ABC is %dn", strlen("ABC"));
- printf("Length of Jamsa's C/C++ Programmer's Bible is %dn",
- strlen("Jamsa's C/C++ Programmer's Bible"));
- printf("Length of a NULL string is %dn", strlen(""));
- }
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