replace_string()

`replace_string()`#

replace_string() replaces all occurrences of a substring within a given string with another substring, dynamically allocating memory for the new string.

C

Prototype

char *replace_string(
    const char *str,
    const char *old,
    const char *snew
);

Parameters

Key	Type	Description
`str`	`const char *`	The input string in which replacements will be made.
`old`	`const char *`	The substring to be replaced.
`snew`	`const char *`	The substring to replace occurrences of `old`.

Return Value

A newly allocated string with all occurrences of old replaced by snew. Returns NULL if memory allocation fails.

Notes

The caller is responsible for freeing the returned string using free(). If old is an empty string, the function will enter an infinite loop.

JS

Prototype

// Not applicable in JS

Python

Prototype

# Not applicable in Python

replace_string()

replace_string()#

`replace_string()`#