my malloc is declared incorrectly. can some one help with this please. help me fix declare it correctly please. #include

#include

#include

#include "assignment$2.$h$"$

int main$($int argc, char $*$argv$[])\{$

$//$ Check if command$-$line arguments are provided correctly

if $($argc $<4)\{$

printf$("$Usage: $\%$s

$",$ argv$[0])$;

return $1$;

$\}$

$//$ Allocate memory for the personalInfo structure

personalInfo $*$pi $=($personalInfo $*)$malloc$($sizeof$($personalInfo$))$;

if $($pi $==$ NULL$)\{$

printf$("$Error: Memory allocation failed

$")$;

return $1$;

$\}$

$//$ Populate the firstName and lastName fields

strncpy$($pi$->$firstName, argv$[1],$ sizeof$($pi$->$firstName$)-1)$;

pi$->$firstName$[$sizeof$($pi$->$firstName$)-1]=\text{'}\backslash 0\text{'}$; $//$ Ensure null$-$termination

strncpy$($pi$->$lastName, argv$[2],$ sizeof$($pi$->$lastName$)-1)$;

pi$->$lastName$[$sizeof$($pi$->$lastName$)-1]=\text{'}\backslash 0\text{'}$; $//$ Ensure null$-$termination

$//$ Assign student ID $($replace $123456789$ with your actual student ID$)$

pi$->$studentID $=12345678$;

$//$ Populate the level field $($you can choose appropriate value based on your level$)$

pi$->$level $=$ SENIOR;

$//$ Populate the languages field $($include at least three languages$)$

pi$->$languages $=$ KNOWLEDGE$\_$OF$\_$C $|$ KNOWLEDGE$\_$OF$\_$JAVA;

$//$ Copy the message from the third command$-$line argument

strncpy$($pi$->$message, argv$[3],$ sizeof$($pi$->$message$)-1)$;

pi$->$message$[$sizeof$($pi$->$message$)-1]=\text{'}\backslash 0\text{'}$; $//$ Ensure null$-$termination

$//$ Debugging: Print the populated personalInfo structure

printf$("$Personal Info:

$")$;

printf$("$First Name: $\%$s

$",$ pi$->$firstName$)$;

printf$("$Last Name: $\%$s

$",$ pi$->$lastName$)$;

printf$("$Student ID: $\%$d

$",$ pi$->$studentID$)$;

printf$("$Level: $\%$d

$",$ pi$->$level$)$;

printf$("$Languages: $\%$d

$",$ pi$->$languages$)$;

printf$("$Message: $\%$s

$",$ pi$->$message$)$;

$//$ Free the allocated memory

free$($pi$)$;

return $0$;

$\}$