What are used raw materials in baking industries?

/*------------------------------------------------------------------------

Section :G/7

M/c No.:32, Roll No.:11BT30015

Name :M A KRISHNA DEEPAK

Assignment No.: 08

Description: Program to implement functions on string characters.

------------------------------------------------------------------------*/

#include <stdio.h>

#define MAXLEN (1000+1)

int strLength(const char *x);

void strReverse(char *x);

int makeUpper(char *x);

char *strCopy(char *x, const char *y);

int isPrefix(const char *x, const char *y);

char *substring(char *x, const char *y);

int main()

{

int len ;

char x[MAXLEN], y[MAXLEN], z[MAXLEN], *cP;

printf("Enter the 1st string:\n") ;

scanf("%[^\n]", x) ;

printf("Enter the 2nd string:\n") ;

scanf(" %[^\n]", y) ;

printf("Length("%s") = %d\n",

x, len = strLength(x));

printf("Reverse("%s") = ", x);

strReverse(x) ;

printf(""%s"\n", x);

strReverse(x) ;

makeUpper(x);

printf("Upper-case: "%s"\n", x);

if(isPrefix(x, y))

printf(""%s" is a prefix of "%s"\n", y, x) ;

else

printf(""%s" is not a prefix of "%s"\n", y, x) ;

/*if((cP = substring(x, y)) == NULL)

printf(""%s" is not a substring of "%s"\n", y, x) ;

else {

printf(""%s" is a substring of "%s"", y, x) ;

printf(" from index %d\n", (int)(cP-x)) ;

}

*/

printf("z[] = "%s"\n", strCopy(z,x)) ;

return 0;

}

int strLength(const char *x)

{

static int sum=0;

int temp;

if(*x=='\0')

{

temp=sum;

sum=0;

return temp;

}

else

{

sum++;

return strLength(x=x+1);

}

}

void strReverse(char *x)

{

int length,c;

char *begin,*end,temp;

length=strLength(x);

begin=x;

end=x;

for(c=0;c<(length-1);c++)

end++;

for(c=0;c<length/2;c++)

{

temp=*end;

*end=*begin;

*begin=temp;

begin++;

end--;

}

}

int makeUpper(char *x)

{

static int u=0;

int temp;

if(*x=='\0')

{

temp=u;

u=0;

return temp;

}

else

{

if(*x>='a' && *x<='z')

{

*x-=32;

u++;

}

return makeUpper(x=x+1);

}

}

char *strCopy(char *x, const char *y)

{

char *p=x;

while(*y)

{

*x =*y;

y++;

x++;

}

*x ='\0';

return p;

}

int isPrefix(const char *x, const char *y)

{

static int l=strLength(y),p=0;

if(*y!=*x *y!='\0')

return 0;

if(*y==*x)

{

p+=isPrefix(x=x+1,y=y+1);

}

if(i==strLength(y))

return 1;

}

/*char *substring(char *x, const char *y)

{

}

*/