change_char()

`change_char()`#

change_char() replaces all occurrences of a specified character in a string with another character and returns the count of replacements.

C

Prototype

int change_char(
    char *s,    /* Input string to modify */
    char old_c, /* Character to be replaced */
    char new_c  /* Replacement character */
);

Parameters

Key	Type	Description
`s`	`char *`	Pointer to the input string to be modified.
`old_c`	`char`	Character in the string to be replaced.
`new_c`	`char`	Character to replace occurrences of `old_c`.

Return Value

Returns the number of characters replaced in the string.

Notes

The function modifies the input string in place. Ensure that s is a valid, mutable string.

JS

Prototype

// Not applicable in JS

Python

Prototype

# Not applicable in Python

change_char()

change_char()#

`change_char()`#