C code for sorting words alphbetically like dictionary

sorting words in array in alphabetical order

#include<stdio.h>

#include<string.h>

int main()

{

char *str[]={

"Gona","Ram","Samy","Banta","Amita"

};

int i,j;

char *t;

for(i=0;i<5;i++)

{

for(j=i+1;j<5;j++)

{

printf("\nstr[i=%d]%s\t",i,str[i]);

printf("str[j=%d]%s\n",j,str[j]);

if( ( strcmp(str[i],str[j]) )>0)

{

t=str[i];

str[i]=str[j];

str[j]=t;

}

}

printf("\nstr[iiiiii=%d]%s\t",i,str[i]);

}

printf("Sorted Names are:\n");

for(i=0;i<5;i++)

{

printf("%s\n",str[i]);

}

return 0;

}

/*

-bash-3.2$ vi strSort.c

-bash-3.2$ ./a.out

str[i=0]Gona str[j=1]Ram

str[i=0]Gona str[j=2]Samy

str[i=0]Gona str[j=3]Banta

str[i=0]Banta str[j=4]Amita

str[iiiiii=0]Amita

str[i=1]Ram str[j=2]Samy

str[i=1]Ram str[j=3]Gona

str[i=1]Gona str[j=4]Banta

str[iiiiii=1]Banta

str[i=2]Samy str[j=3]Ram

str[i=2]Ram str[j=4]Gona

str[iiiiii=2]Gona

str[i=3]Samy str[j=4]Ram

str[iiiiii=3]Ram

str[iiiiii=4]Samy Sorted Names are:

Amita

Banta

Gona

Ram

Samy

*/

//4a. sorting words in array without library function

#include<stdio.h>

#include<string.h>

int main()

{

//below str is static array of char ptrs so must be initialized

char *str[]={

"san","sa",

"santa","santa",

"Amita","Amit",

"zan","xow"

};

int i,j;

char *t;

for(i=0;i<8;i++)

{

for(j=i+1;j<8;j++)

{

printf("\nstr[i=%d]%s\t",i,str[i]);

printf("str[j=%d]%s\n",j,str[j]);

if( ( strCmp(str[i],str[j]) )>0)

{

t=str[i];

str[i]=str[j];

str[j]=t;

}

}

printf("\nstr[iiiiii=%d]%s\t",i,str[i]);

}

printf("Sorted Names are:\n");

for(i=0;i<8;i++)

{

printf("%s\n",str[i]);

}

return 0;

}

int strCmp(char *s1,char *s2)

{

//if(*s1!='\0'&&*s2!='\0') // 2

//{

while( *s1-*s2==0 && (*s1!='\0' || *s2!='\0')) // 3

{

s1++;

s2++;

}

//}

return(*s1-*s2); // 4

}

/*

-bash-3.2$ ./a.out

str[i=0]san str[j=1]sa

str[i=0]sa str[j=2]santa

str[i=0]sa str[j=3]santa

str[i=0]sa str[j=4]Amita

str[i=0]Amita str[j=5]Amit

str[i=0]Amit str[j=6]zan

str[i=0]Amit str[j=7]xow

str[iiiiii=0]Amit

str[i=1]san str[j=2]santa

str[i=1]san str[j=3]santa

str[i=1]san str[j=4]sa

str[i=1]sa str[j=5]Amita

str[i=1]Amita str[j=6]zan

str[i=1]Amita str[j=7]xow

str[iiiiii=1]Amita

str[i=2]santa str[j=3]santa

str[i=2]santa str[j=4]san

str[i=2]san str[j=5]sa

str[i=2]sa str[j=6]zan

str[i=2]sa str[j=7]xow

str[iiiiii=2]sa

str[i=3]santa str[j=4]santa

str[i=3]santa str[j=5]san

str[i=3]san str[j=6]zan

str[i=3]san str[j=7]xow

str[iiiiii=3]san

str[i=4]santa str[j=5]santa

str[i=4]santa str[j=6]zan

str[i=4]santa str[j=7]xow

str[iiiiii=4]santa

str[i=5]santa str[j=6]zan

str[i=5]santa str[j=7]xow

str[iiiiii=5]santa

str[i=6]zan str[j=7]xow

str[iiiiii=6]xow

str[iiiiii=7]zan Sorted Names are:

Amit

Amita

sa

san

santa

santa

xow

zan

*/