standard library function
The string library
The standard 'C' library provides various functions to manipulate the strings within a program. These functions are also called as string handlers. All these handlers are present inside <string.h> header file.
| Function | Purpose |
| strlen() | This function is used for finding a length of a string. It returns how many characters are present in a string excluding the NULL character. |
| strcat(str1, str2) | This function is used for combining two strings together to form a single string. It Appends or concatenates str2 to the end of str1 and returns a pointer to str1. |
| strcmp(str1, str2) | This function is used to compare two strings with each other. It returns 0 if str1 is equal to str2, less than 0 if str1 < str2, and greater than 0 if str1 > str2. |
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