The following code segment (left uncommented for brevity) has multiple systems calls. Identify where a system call is likely to occur. How many are there, and where are they likely to be at? #include int main (int argc, char *argv1) FILE* fptr; /* Declare a file pointer. This will serve as a handle for the fil that is t be printfs"argv[0])Print out arg[0] to the console. This is the name of the program which fptr = fopen (argv [1], "r"); /t Open the file. Note this program is sloppy in that it does not check opened. is executing. / for a NULL return from this routine. NULL return would be indicative of a non-existent file or other problems. while feof (fptz))While we have not reached the end of the file, loop through the code. / unsigned char text [255 Declare an array of unsigned chars to hold the text we read in from the console. / for {int idx= 0; idx