abs
ascdate
atoi
atol
bcopy
butler
bzero
call
cksum
doprnt
doscan
fgets
fprintf
fputs
getdtime
gets
index
kprintf
mem
printf
psnap
puts
qsort
rand
rindex
scanf
sprintf
strcat
strcmp
strcpy
strlen
strncat
strncmp
strncpy
swab
tsnap
