Fujitsu F2 Manual do Utilizador descarregar pdf (Página 43)

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CHAPTER 1 BASIC FUNCTIONS

1.17.2 Referring to Variable of C Language

C language variables can be specified using the same descriptions as in the source

program written in C language.

■ Specifying C Language Variables

C language variables can be specified using the same descriptions as in the source program. The address of C

language variables should be preceded by the ampersand symbol "&". Some examples are shown in the Table

1.17-1.

Table 1.17-1 Examples of Specifying Variables

Example of Variables

Example of

Specifying

Variables

Semantics

Regular Variable int data; data Value of data

Pointer char *p; *p Value pointed to by p

Array char a[5]; a[1] Value of second element of a

Structure struct stag {

char c;

int i;

};

struct stag st;

struct stag *stp;

st.c

stp- >c

Value of member c of st

Value of member c of the structure

to which stp points

Union union utag {

char c;

int i;

} uni;

uni.i Value of member i of uni

Address of variable int data; &data Address of data

Reference type int i;

int &ri = i;

ri Same as i

1 2 ... 38 39 40 41 42 43 44 45 46 47 48 ... 353 354

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