How do you execute one program from within another? Ans. The system calls used for low-level process creation are 'execlp()' and 'execvp()'. The 'execlp()' call overlays the existing program with the new one, runs that and exits. The original program gets back control only when an error occurs. execlp(path,file_name,arguments..); //last argument must be NULL A variant of 'execlp()' called 'execvp()' is used when the number of arguments is not known in advance. execvp(path,argument_array); //argument array should be terminated by NULL - Study24x7
Social learning Network
Ashish Verma
10 Mar 2023 01:26 PM study24x7 study24x7

How do you execute one program from within another? Ans. The system calls used for low-level process creation are "execlp()" and "execvp()". The "execlp()" call overlays the existing program with the new one, runs that and exits. The original program gets back control only when ...

See more

Web Development
Like | 1 Comment Share
study24x7
Write a comment
Related Questions
500+   more Questions to answer

Get the App

Download the Study24x7 App, so you can connect and collaborate.

study24x7
study24x7
Most Related Articles