Inbuilt functions in cpp, C/C++ Programming

Assignment Help:

Inbuilt Functions

i).  Functions to manipulate strings

The cstring library defines many functions to perform some manipulation operations with C-styled functions. The following are some of these functions:

  • strcat: char* strcat (char* dest, const char* src); Appends src string at the end of dest string.
    Returns dest.
  • strcmp: int strcmp (const char* string1, const char* string2); Compares strings string1 and
    string2. Returns 0 is both strings are equal.
  • strcpy: char* strcpy (char* dest, const char* src); Copies the content of src to dest. Returns dest.
  • strlen: size_t strlen (const char* string); Returns the length of string.

ii). Converting strings to other types

Due to that a string may contain representations of other data types like numbers it might be useful to translate that content to a variable of a numeric type. The cstdlib library provides three useful functions for this purpose:

  • atoi: converts string to int type.
  • atol: converts string to long type.
  • atof: converts string to float type.

All of these functions accept one parameter and return a value of the requested type (int, long or float).  


Related Discussions:- Inbuilt functions in cpp

Padovan string., #question.A Padovan string P(n) for a natural number n is ...

#question.A Padovan string P(n) for a natural number n is defined as: P(0) = ‘X’ P(1) = ‘Y’ P(2) = ‘Z’ P(n) = P(n-2) + P(n-3), n>2 where + denotes string concatenation. For a s

File IO, I''m trying to write a function that prints the substring if it is...

I''m trying to write a function that prints the substring if it is found in the string, and after it prints it deletes it from the string so i could print the next substring if it

C++ programming, give a program to accept and print 2_D Array

give a program to accept and print 2_D Array

I need script for auto seating poker, Project Description: Not just like...

Project Description: Not just like that though. I want a similar program that can scan through poker lobbys (pokerstars, full tilt, ongame and ipoker) and seat me to the left of

C program for bernoulli''s equation, i need a detailed c program to explain...

i need a detailed c program to explain the parameters of bernoulli''s equation..

Define some features of static storage class in c program, Define some feat...

Define some features of static storage class in c program? The features of a variable defined to contain a static storage class are as follows. Storage - memory Default

Explain about the constants in c language, Explain about the Constants in c...

Explain about the Constants in c language? The Constants in C refer to fixed values that don't change during the execution of a program. C has four fundamental types of constan

C program for swapping the string, C Program for SWAPPING THE STRING #i...

C Program for SWAPPING THE STRING #include conio.h> #include stdio.h> void main() {           char a[50],temp=0;           int i=0,c=0,c1=0,l=0;           clr

Write a program for calculating value of an integer, Write a Program for Ca...

Write a Program for Calculating Value of an Integer? For a clear understanding of recursive function we shall see an illustration for calculating value of an integer. main() {

C program coding, write a c program to compute a padovan string

write a c program to compute a padovan string

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd