header01

type01.c

#include <stdio.h>

int main( void )

{

char a;

a=65;

printf("a=%c\n",a);

a='A';

printf("a=%c\n",a);

return 0 ;

}

type02.c

#include <stdio.h>

int main( void )

{

int i;

i=65;

printf("i=%d\n",i);

i='A';

printf("i=%d\n",i);

return 0 ;

}

type03.c

#include <stdio.h>

int main( void )

{

int i;

i="A";

printf("i=%d\n",i);

return 0 ;

}

type04.c

#include <stdio.h>

int main( void )

{

int i;

i="A";

printf("i=%s\n",i);

return 0 ;

}

type05.c

#include <stdio.h>

int main( void )

{

short s;

unsigned short us;

printf("short=%dbytes\n",sizeof s);

s=1;

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

s=-1;

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

us=1;

printf("us=%d\n",us);

us=-1;

printf("us=%d\n",us);

return 0 ;

}

type06.c

#include <stdio.h>

int main( void )

{

int i;

unsigned int ui;

printf("int=%dbytes\n",sizeof i);

i=1;

printf("i=%d\n",i);

i=-1;

printf("i=%d\n",i);

ui=1;

printf("ui=%d\n",ui);

ui=-1;

printf("ui=%d\n",ui);

printf("ui=%u\n",ui);

return 0 ;

}

type07.c

#include <stdio.h>

int main( void )

{

long int l;

unsigned long int ul;

printf("long=%dbytes\n",sizeof l);

l=1;

printf("l=%d\n",l);

l=-1;

printf("l=%d\n",l);

ul=1;

printf("ul=%d\n",ul);

ul=-1;

printf("ul=%d\n",ul);

printf("ul=%u\n",ul);

return 0 ;

}

type08.c

#include <stdio.h>

int main( void )

{

float f;

double d;

long double ld;

printf("float =%dbytes\n",sizeof f);

printf("double =%dbytes\n",sizeof d);

printf("long double=%dbytes\n",sizeof ld);

f=1.1111;

printf("f =%f\n",f);

d=1.1111;

printf("d =%f\n",d);

ld=1.1111;

printf("ld=%Lf\n",ld);

return 0 ;

}

type09.c

#include <stdio.h>

int main( void )

{

auto int i; /* int i;と等価 */

auto unsigned int ui; /* unsigned int ui;と等価 */

i=-10;

printf("i=%d\n",i);

ui=10;

printf("ui=%d\n",ui);

return 0 ;

}

type10.c

#include <stdio.h>

int main( void )

{

int auto i; /* auto int i;と等価 */

unsigned auto int ui; /* auto unsigned int ui;と等価 */

i=-10;

printf("i=%d\n",i);

ui=10;

printf("ui=%d\n",ui);

return 0 ;

}

type11.c

#include <stdio.h>

auto int i;

int main( void )

{

i=10;

printf("i=%d\n",i);

return 0 ;

}

type12.c

#include <stdio.h>

typedef signed char int8;

typedef unsigned char uint8;

typedef signed short int16;

typedef unsigned short uint16;

typedef signed long int32;

typedef unsigned long uint32;

int main( void )

{

int8 i8;

uint8 ui8;

int16 i16;

uint16 ui16;

int32 i32;

uint32 ui32;

signed char c;

unsigned char uc;

signed short s;

unsigned short us;

signed long l;

unsigned long ul;

i8 = -1;

c = -1;

printf("sizeof i8 = %d, i8 = %d, ", sizeof i8, i8);

printf("sizeof c = %d, c = %d\n", sizeof c, c);

ui8 = -1;

uc = -1;

printf("sizeof ui8 = %d, ui8 = %u, ", sizeof ui8, ui8);

printf("sizeof uc = %d, uc = %u\n", sizeof uc, uc);

i16 = -1;

s = -1;

printf("sizeof i16 = %d, i16 = %d, ", sizeof i16, i16);

printf("sizeof s = %d, s = %d\n", sizeof s, s);

ui16 = -1;

us = -1;

printf("sizeof ui16 = %d, ui16 = %u, ", sizeof ui16, ui16);

printf("sizeof us = %d, us = %u\n", sizeof us, us);

i32 = -1;

l = -1;

printf("sizeof i32 = %d, i32 = %d, ", sizeof i32, i32);

printf("sizeof l = %d, l = %d\n", sizeof l, l);

ui32 = -1;

ul = -1;

printf("sizeof ui32 = %d, ui32 = %u, ", sizeof ui32, ui32);

printf("sizeof ul = %d, ul = %u\n", sizeof ul, ul);

return 0 ;

}

type13.c

#include <stdio.h>

int i;

int main( void )

{

i=10;

printf("i=%d\n",i);

return 0 ;

}

type14.c

#include <stdio.h>

int main(void)

{

int i;

i = 1 == 1;

printf("true = %d\n", i);

i = 0 == 1;

printf("false = %d\n", i);

return 0;

}

type15.c

#include <stdio.h>

int main(void)

{

int i;

i = !0;

printf("true = %d\n", i);

return 0;

}

type16.c

#include <stdio.h>

int main(void)

{

int m, n;

m = 10;

n = 10;

if((m == n) != 0)

printf("m == n\n");

else

printf("m != n\n");

while( !0 )

{

int i;

for(i = 0; (i < 10) != 0; i++)

printf("i = %d\n", i);

break;

}

return 0;

}

type17.c

#include <stdio.h>

#include "foo.h" /* 開発環境で提供されたヘッダファイル */

int compare(int x, int y);

int main(void)

{

int r;

r = compare( 1, 1);

if(r == TRUE)

printf("r == TRUE\n");

else

printf("r != TRUE\n");

return 0;

}

int compare(int x, int y)

{

return x == y;

}

type18.c

#include <stdio.h>

#define TRUE (!0) /* 0を否定するとTRUEとなる */

int main(void)

{

int m, n;

m = 10;

n = 10;

if((m == n) == TRUE)

printf("m == n\n");

else

printf("m != n\n");

while( TRUE )

{

int i;

for(i = 0; (i < 10) == TRUE; i++)

printf("i = %d\n", i);

break;

}

return 0;

}

type19.c

#include <stdio.h>

#define TRUE (!0) /* 0を否定するとTRUEとなる */

int main(void)

{

int m, n;

m = 10;

n = 10;

if(m == n)

printf("m == n\n");

else

printf("m != n\n");

while( TRUE )

{

int i;

for(i = 0; i < 10; i++)

printf("i = %d\n", i);

break;

}

return 0;

}

type20.c

#include <stdio.h>

#define TRUE (-1)

int compare(int x, int y);

int main(void)

{

int r;

r = compare( 1, 1);

if(r == TRUE)

printf("r == TRUE\n");

else

printf("r != TRUE\n");

return 0;

}

int compare(int x, int y)

{

return x == y;

}

type21.c

#include <stdio.h>

#define TRUE (0 == 0)

#define FALSE 0

int compare(int x, int y);

int main(void)

{

int r;

r = compare( 1, 1);

if(r == TRUE)

printf("r == TRUE\n");

else

printf("r != TRUE\n");

return 0;

}

int compare(int x, int y)

{

return x == y;

}

もどる