Sort all characters in a given string

1:  #include <stdio.h>  
2:  #include <string.h>  
3:  void char_sorting_ptr(char *str,int sz)  
4:  {  
5:    char temp,*p = str,*c = str;  
6:    int i = 0,j=0;  
7:    while( i < sz)  
8:    {  
9:      for(j=0,p=str;j < sz-1;j++)  
10:      {  
11:        if ( *p > *(p+1))  
12:        {  
13:          temp = *(p+1);  
14:          *(p+1) = *p;  
15:          *p = temp;  
16:        }  
17:        p++;  
18:      }  
19:      i++;  
20:    }  
21:  }  
22:  void char_sorting(char *str,int sz)  
23:  {  
24:    char temp;  
25:    int i = 0,j=0;  
26:    while( i<sz)  
27:    {  
28:      for(j=0;j<sz-1;j++)  
29:      {  
30:        if ( str[j] > str[j+1])  
31:        {  
32:          temp = str[j];  
33:          str[j] = str[j+1];  
34:          str[j+1] = temp;  
35:        }  
36:      }  
37:      i++;  
38:    }  
39:  }  
40:  main()  
41:  {  
42:    char str[100] = "mynameisjohn";  
43:    char_sorting_ptr(str,strlen(str));  
44:    printf("Sorted String : %s\n",str);  
45:  }