漏洞扫描系统

#include <stdio.h>
#include <string.h>
#include <ctype.h>
char *strtrimr(char *pstr)
{
int i;
i = strlen(pstr) - 1;
while (isspace(pstr[i]) && (i >= 0))
pstr[i--] = '\0';
return pstr;
}

char *strtriml(char *pstr)
{
int i = 0,j;
j = strlen(pstr) - 1;
while (isspace(pstr[i]) && (i <= j))
i++;
if (0<i)
strcpy(pstr, &pstr[i]);
return pstr;
}

char *strtrim(char *pstr)
{
char *p;
p = strtrimr(pstr);
return strtriml(p);
}

int main(void)
{
char str1[] = "   ackerman zhang";
char str2[] = "ackerman zhang   ";
char str3[] = "   ackerman zhang   ";

printf("\nBefore convertion:\n\t\"%s\"\n\t\"%s\"\n\t\"%s\"\n",
str1, str2, str3);

char *p1,*p2,*p3;
p1=strtriml(str1);
p2=strtrimr(str2);
p3=strtrim(str3);

printf("\nAfter convertion:\n\t\"%s\"\n\t\"%s\"\n\t\"%s\"\n",
p1,p2,p3);

return 0;
}