| Function | Syntax (or) Example | Description |
| strcpy() | strcpy(string1, string2) | Copies string2 value into string1 |
| strncpy() | strncpy(string1, string2, 5) | Copies first 5 characters string2 into string1 |
| strlen() | strlen(string1) | returns total number of characters in string1
|
| strcat() | strcat(string1,string2) | Appends string2 to string1
|
| strcmp() | strcmp(string1, string2) | Returns 0 if string1 and string2 are the same;
less than 0 if string1<string2; greater than 0 if string1>string2 |
strncmp()
| strncmp(string1, string2, 4)
| Compares first 4 characters of both string1 and string2 |
strcmpi()
| strcmpi(string1,string2)
| Compares two strings, string1 and string2 by ignoring case (upper or lower) |
stricmp()
| stricmp(string1, string2)
| Compares two strings, string1 and string2 by ignoring case (similar to strcmpi()) |
strlwr()
| strlwr(string1)
| Converts all the characters of string1 to lower case. |
| strncat() | strncpy(string1, string2, 4) | Appends first 4 characters of string2 to string1 |
| strupr() | strupr(string1) | Converts all the characters of string1 to upper case. |
strdup()
| string1 = strdup(string2)
| Duplicated value of string2 is assigned to string1 |
strchr()
| strchr(string1, 'b')
| Returns a pointer to the first occurrence of character 'b' in string1 |
strrchr()
| 'strrchr(string1, 'b')
| Returns a pointer to the last occurrence of character 'b' in string1 |
strstr()
| strstr(string1, string2)
| Returns a pointer to the first occurrence of string2 in string1 |
strset()
| strset(string1, 'B')
| Sets all the characters of string1 to given character 'B' |
strnset()
| strnset(string1, 'B', 5)
| Sets first 5 characters of string1 to given character 'B' |
strrev()
| strrev(string1)
| It reverses the value of string1 |
