# C Program to Find the Frequency of Characters in a String2 min read

Here, we will write a C program to find the occurrence of a character in a string. Before that, you may go through the following topic in C.

We will look at two examples to calculate the frequency of characters in a string.

1. For a particular character.
2. For all the character in a string

## C Program to Find the Frequency of Characters in a String (for a particular character)

Both the string and the character whose frequency needed to be found are entered by the user.

The questions: write a program in C to find the frequency of any given character in a given string

Output:

`Enter the string: This is simple2code.comEnter a character whose frequency is to be found: iFrequency of i = 3`

## C Program to Find the Frequency of Characters in a String (for all the characters)

The user needs to enter the string and the number of occurrences for each character will be displayed.

Output:

`Enter the string: simple2code.comFrequency of s = 1Frequency of i = 1Frequency of m = 2Frequency of p = 1Frequency of l = 1Frequency of e = 2Frequency of 2 = 1Frequency of c = 2Frequency of o = 2Frequency of d = 1Frequency of . = 1`

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