#define $\_$CRT$\_$SECURE$\_$NO$\_$WARNINGS

#include

#include

$/**$

$*$ Determine if the string s starts with the string prefix.

$*$ @param s $-$ the string to see if it starts with prefix

$*$ @param prefix $-$ the prefix to test

$*$ @returns true if the strings begins with the prefix.

$*/$

int startsWith$($const char s$[],$ const char prefix$[])$

$\{$

char buf$[25]$; int i;

int sz $=$ strlen$($prefix$)$; for $($i $=0$; i $<$ sz; i$++)$

$\{$

buf$[$i$]=$ s$[$i$]$;

$\}$

buf$[$sz$]=\text{'}\backslash 0\text{'}$;

return $0==$ strcmp$($buf$,$ prefix$)$;

$\}$

$/**$

$*$ Determine if the string s ends with the string suffix.

$*$ @param s $-$ the string to see if it ends with suffix

$*$ @param suffix $-$ the suffix to test

$*$ @returns true if the strings ends with the suffix.

$*/$

int endsWith$($const char s$[],$ const char suffix$[])$

$\{$

int sz $=$ strlen$($suffix$)$; int slen $=$ strlen$($s$)$;

return $0==$ strcmp$($s $+$ slen $-$ sz$,$ suffix$)$;

$\}$

int main$($void$)$

$\{$

char s$1[]=\{$ "upended" $\}$;

char prefix$[]=\{"$up$"\}$;

char suffix$[]=\{"$ed$"\}$;

printf$("\%$s does $\%$s start with $\%$s

$",$

s$1,$ startsWith$($s$1,$ prefix$)?""$ : $"$ not", prefix$)$;

printf$("\%$s does $\%$s end with $\%$s

$",$

s$1,$ endsWith$($s$1,$ suffix$)?""$ : $"$ not", suffix$)$;

return $0$;

$\}$