string operations in c
| S.no |
String functions
|
Description
|
| 1 | strcat ( ) | Concatenates str2 at the end of str1. |
| 2 | strncat ( ) | appends a portion of string to another |
| 3 | strcpy ( ) | Copies str2 into str1 |
| 4 | strncpy ( ) | copies given number of characters of one string to another |
| 5 | strlen ( ) | gives the length of str1. |
| 6 | strcmp ( ) | Returns 0 if str1 is same as str2. Returns <0 if strl < str2. Returns >0 if str1 > str2. |
| 7 | strcmpi_(.) | Same as strcmp() function. But, this function negotiates case. “A” and “a” are treated as same. |
| 8 | strchr ( ) | Returns pointer to first occurrence of char in str1. |
| 9 | strrchr ( ) | last occurrence of given character in a string is found |
| 10 | strstr ( ) | Returns pointer to first occurrence of str2 in str1. |
| 11 | strrstr ( ) | Returns pointer to last occurrence of str2 in str1. |
| 12 | strdup ( ) | duplicates the string |
| 13 | strlwr ( ) | converts string to lowercase |
| 14 | strupr ( ) | converts string to uppercase |
| 15 | strrev ( ) | reverses the given string |
| 16 | strset ( ) | sets all character in a string to given character |
| 17 | strnset ( ) | It sets the portion of characters in a string to given character |
| 18 | strtok ( ) | tokenizing given string using delimiter |
