C language Implementation name value to find value by key

requirements, such as:

1, "Key1 = value1" through "Key1" from the string to find out "value", value removal before and after the space

2, "Key1 = = value1", "Key1 = value1" double equals sign illegal

Header file:

#include <stdlib.h>#include<stdio.h>#include<string.h>

Function Prototypes:

 void  trim (char  *strin /*  in  */, char  *strout /*  out  */  void  getValue (char  * keyandvalue /*  in  */, " Span style= "COLOR: #0000ff" >char  * key /*  in  */, char  * value /*  out  */); 

Implementation method:

1 voidTrimChar*strin,Char*strout) {2 3     Char*start, *end, *temp;//defines the tail and pointer of a string after a space is stripped4 5temp =Strin;6 7      while(*temp = =' '){8++temp;9     }Ten  Onestart = temp;//obtaining the head pointer A  -temp = Strin + strlen (strin)-1;//get a pointer to the last character of the original string (not ' + ') -  the      while(*temp = =' '){ ---temp; -     } -  +end = temp;//Obtain the tail pointer -  +  A      for(Strin = start; Strin <=end;) { at*strout++ = *strin++; -     } -  -*strout =' /'; -}

1 voidGetValue (Char* Keyandvalue,Char* Key,Char*value) {2 3     Char*p =Keyandvalue;4 5p =strstr (Keyandvalue, key);6     if(p = =NULL) {7printf"no key\n .");8         return ;9     }Ten  Onep + =strlen (key); A trim (p, value); -  -p = strstr (value,"="); the     if(p = =NULL) { -printf"no =\n ."); -         return; -     } +p+= strlen ("="); - trim (p, value); +  Ap = strstr (value,"="); at     if(P! =NULL) { -printf"extra =\n."); -         return; -     } -p =value; - trim (p, value); in  -}

Test:

1 voidMain () {2 3     Char*keyandvalue ="Key1 = Kkkki";4     5     Char*key ="Key1";6 7     Charvalue[ -] = {0};8 9 GetValue (Keyandvalue, key, value);Ten  Oneprintf"value = *%s*\n", value); ASystem"Pause"); -}

C language Implementation name value to find value by key