Reverse string using pointers and function
Write a C Program to reverse string using pointers and function. Here’s simple Program to reverse string using pointers and function in C Programming Language.
What are Pointers?
A pointer is a variable whose value is the address of another variable, i.e., direct address of the memory location. Like any variable or constant, you must declare a pointer before using it to store any variable address.
The general form of a pointer variable declaration is −
- type *var-name;
Here, type is the pointer’s base type; it must be a valid C data type and var-name is the name of the pointer variable.
The asterisk * used to declare a pointer is the same asterisk used for multiplication. However, in this statement the asterisk is being used to designate a variable as a pointer.
The unary or monadic operator & gives the “address of a variable’”.
The indirection or dereference operator * gives the “contents of an object pointed to by a pointer”.
Below is the source code for Program to reverse string using pointers and function which is successfully compiled and run on Windows System to produce desired output as shown below :
SOURCE CODE : :
/* C Program to reverse string using pointers and function */ #include <stdio.h> #include <conio.h> int main() { char str[50]; int len,i; char *s; printf("Enter any String :: "); scanf("%s",str); s=str; len=strlen(s); printf("\nThe Reverse of the String [ %s ] is :: "); for(i=len;i>=0;i--) { printf("%c",*(s+i)); } printf("\n"); return 0; }
Output : :
/* C Program to reverse string using pointer and function */ Enter any String :: CodezClub The Reverse of the String [ CodezClub ] is :: bulCzedoC Process returned 0
Above is the source code for C Program to reverse string using pointers and function which is successfully compiled and run on Windows System.The Output of the program is shown above .
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