Use of environmental DEVC++

 # include & lt; stdio.h> 
#include  
# define LIST_INIT_SIZE 100 
# define LISTINCREMENT 10 
Typedef struct {
Char * elem. 
int length; 
int listsize; 
} Sqlist; 

Void InitList_Sq (Sqlist * L)//constructs an empty linear table 
{
L - & gt; Elem=(char *) malloc (LIST_INIT_SIZE * sizeof (char)); 
if(! L - & gt; Elem) 
{
Printf (" ERROR!" ); 
exit(1); 
} 
L - & gt; Length=0; 
L - & gt; Listsize=LIST_INIT_SIZE; 
} 
Void inversion (Sqlist * L) 
{
Char * p, * q, t=0; 
P=L - & gt; Elem. 
Q=L - & gt; Elem + L - & gt; Length - 1. 
While (p{
T=* p; 
* p=* q; 
* q=t; 
} 
} 
Int main () 
{
Sqlist * L; 
int i=0; 
char c; 
InitList_Sq (L); 
Do {
Printf (" please input a letter ('/' exit loop) : \ n "); 
The scanf (" % c ", & amp; C); 
If ((L - & gt; Length + 1) & gt; L - & gt; Listsize)//order form is full, to allocate space 
{
L - & gt; Elem=(char *) realloc (L - & gt; Elem, (LIST_INIT_SIZE + LISTINCREMENT) * sizeof (char)); 
if(! L - & gt; Elem) 
{
Printf (" ERROR!" ); 
exit(1); 
} 
L - & gt; Length=I; 
L - & gt; Listsize=LIST_INIT_SIZE + LISTINCREMENT; 
} 
If ((c>='a' & amp; & C<='z') | | (c>='A' & amp; & C{
* (L - & gt; Elem=c + I); 
i++; 
L - & gt; Length=I; 
} 
The else printf (" input error! Please enter the letters! \ n "); 

} while (c!='/'); 

If (L - & gt; Length==0) printf (" \ n input element, unable to reverse "); 
Else if (L - & gt; Length==1) printf (" \ n % c there is only one element, not reverse place ", * (L - & gt; Elem)); 
The else {
Inversion (L); 
Printf (" element inverse to: \ n "); 
for(i=0; iPrintf (" % c ", * (L - & gt; Elem + I)); 
} 
} 

Application cannot run, please help modify!!!!! Look at what went wrong, thank you very much!!!!!!