_argc

The number of arguments passed to main()

Synopsis:

int _argc

Description:

This global variable holds the number of arguments passed to main().

This variable isn't defined in any header file. If you want to refer to it, you need to add your own extern statement.

Classification:

Related links

getopt()
Parse options from a command line
main()
Program entry function

A

_argv
A pointer to the vector of arguments passed to main()
_auxv
A pointer to a vector of auxiliary arguments to main()