strrstr( ) function returns pointer to the last occurrence of the string in a given string.
strrstr( ) function is non standard function which may not available in standard library in C.
The strstr() function finds the last occurrence of the substring needle in the string haystack. The terminating '\0' characters are not compared.
The strstr() function returns a pointer to the beginning of the substring, or NULL if the substring is not found or one of haystack and needle is NULL.
char *strrstr(const char *str1, const char *str2);
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| Functions | Description |
|---|---|
| strcat( ) | The strcat() function is used to concatenate one string(source) at the end of another string(destination). |
| strncat( ) | Appends first n characters of a string at the end of another. |
| strcpy( ) | Copies from str2 into str1 |
| strncpy( ) | Copies given number of characters of one string to another |
| strlen( ) | Gives the length of str1 |
| strcmp( ) | Returns 0 if str1 is same as str2. Returns <0 if strl < str2. Returns >0 if str1 > str2 |
| strcmpi( ) | Same as strcmp() function. But, this function negotiates case. “A” and “a” are treated as same. |
| strchr( ) | Returns pointer to first occurrence of char in str1 |
| strrchr( ) | last occurrence of given character in a string is found. |
| strstr( ) | Returns pointer to first occurrence of str2 in str1 |
| strrstr( ) | Returns pointer to last occurrence of str2 in str1 |
| strdup( ) | Duplicates the string |
| strlwr( ) | Converts string to lowercase |
| strupr( ) | Converts string to uppercase |
| strrev( ) | Reverses the given string |
| strset( ) | Sets all character in a string to given character |
| strnset( ) | It sets the portion of characters in a string to given character |
| strtok( ) | Tokenizing given string using delimiter |