The $`$treasure$\_$main.c$\text{'}$ program is run with command line parameters like

$`>./$treasure$\_$main map$1.$tm$\text{'}.$ How is the file name $`$map$1.$tm$\text{'}$ made

available in the $`$main$()\text{'}$ function?

$-()$ The $`$fscanf$()\text{'}$ function is used to read the command line as the

user types it in$.$

$-()$ The global variable $`$args$\text{'}$ will be an array with $`$args$[0]\text{'}$ as

the string $`$map$1.$tm$\text{'}$

$-($X$)$ The $`$argc$\text{'}$ parameter will have value $2$ and $`$argv$[1]\text{'}$ will be a

pointer to the string $`$map$1.$tm$\text{'}$

$-()$ The $`$getenv$()\text{'}$ function is used to extract the command line

arguments from the environment.