C string strncat() function
Example
Concatenate part of a string:
char myStr[20] = "Hello";
strncat(myStr, " World!", 5);
printf("%s", myStr);
Definition and Usage
The strncat() function appends part of a string to the end of another. A number specifies the size of the part of the string to append.
The strncat() function is defined in the <string.h> header file.
Note: To append an entire string to another, use strcat() instead.
Syntax
strncat(void * destination, void * source, size_t size);The size_t data type is a positive integer.
Parameter Values
| Parameter | Description |
|---|---|
| destination | Required. A pointer to the string to append to. A copy of part of the source string will be appended at the position of the first null terminating character. |
| source | Required. A pointer to the string to copy from. Data from the beginning of the string up to the position specified by the size parameter will be copied. |
| size | Required. The number of characters to append to the destination string. |
Technical Details
| Returns: | A char type pointer to the destination string. |
|---|
