-CPL-:
3-3: wirte a function expand(s1,s2) that expands
shorthand notatins link a-z.
-CPL-:
example function in section 3.6: itoa.
-CPL-:
3-4: revise example itoa function to deal with INT_MIN correctly.
-CPL-:
3-5: write a function itob(n, s, b) to convert n to a
base b character representation in the string s.
-CPL-:
3-6: a version of itoa specified a minimun field width.
-CPL-:
example function strindex in section 4.1.
-CPL-:
4-1: write a function strrindex(s,t) to return the
rightmost occurrence of t in s.
-CPL-:
example function atof(char []) to convert string to
double in section 4.2.