<10>[random:/home/yoshi/www/mac110/exx] > make all
gcc -g -I. -I/usr/local/lib/Roberts/include -c testsort.c
gcc -g -I. -I/usr/local/lib/Roberts/include -c sort.c
gcc -g -I. -I/usr/local/lib/Roberts/include -o testsort testsort.o sort.o /usr/local/lib/cslib.a -lm
gcc -g -I. -I/usr/local/lib/Roberts/include -c hours.c
gcc -g -I. -I/usr/local/lib/Roberts/include -o hours hours.o /usr/local/lib/cslib.a -lm
<11>[random:/home/yoshi/www/mac110/exx] > hours
Test program to convert time values
Enter a time duration in minutes: 450
HH:MM format: 7:30
<12>[random:/home/yoshi/www/mac110/exx] > hours
Test program to convert time values
Enter a time duration in minutes: 90
HH:MM format: 1:30
<13>[random:/home/yoshi/www/mac110/exx] > testsort
Enter exam scores, one per line, ending
with the sentinel value -1.
 ? 7
 ? 6
 ? 8
 ? 9
 ? 10
 ? 10
 ? 6
 ? 5
 ? -1

The sorted exam scores are:
5
6
6
7
8
9
10
10
<14>[random:/home/yoshi/www/mac110/exx] >