78IV datasheet(33/523 Pages) NEC

33 / 523 page

User’s Manual U15556EJ1V0UM

CHAPTER 2 CONSTRUCTS OF C LANGUAGE

This chapter explains the constituent elements of a C source module file.

A C source module file consists of the following tokens (distinguishable units in a sequence of characters).

Keywords

Identifiers

Constants

String literal

Operators

Delimiters

Header name

No. of preprocesses

Comment

The tokens used in a C program description example are shown below.

#include “expand. h”

extern void testb (void);

extern ...........................................................

Keyword

extern void chgb (void);

extern bit data1;

extern bit data2;

data1, data2 .................................................

Identifiers

void main ( )

void...............................................................

Keyword

{

data1 = 1 ;

1 ...................................................................

Constant

data2 = 0 ;

0 ...................................................................

Constant

while(data1) {

while .............................................................

Keyword

data1 = data2

;

{ } .................................................................

Delimiter

testb( ) ;

= ...................................................................

Operator

}

if (data1 && data2) {

if....................................................................

Keyword

chgb ( ) ;

&&.................................................................

Operator

}

( ) .................................................................

Operator

}

void lprintf (char *s, int I)

lprintf.............................................................

Identifier

{

char, int.........................................................

Keywords

int j;

s, i.................................................................

Identifiers

char *ss;

* ....................................................................

Operator

j = i;

ss = s;

}

78IV Datasheet(PDF) 33 Page - NEC

78IV Datasheet(HTML) 33 Page - NEC

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL