Epson S5U1C17001C, Руководство пользователя

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S5U1C17001C ManUal
EPSOn
7-11
(C COMPilEr PaCkagE fOr S1C17 faMily) (Ver. 1.5.0)
7 liBrary
7
Library
Utility functions
The table below lists the utility functions included in
libc.a
.
Table 7.3.2.2 Utility functions
Header file:
stdlib.h
function functionality reentrant notes
void * malloc (size_t size); Allocate area. Nonreentrant Change global variables
errno
,
ansi_ucStartAlloc
,
ansi_ucEndAlloc
,
ansi_ucNxtAlcP
,
ansi_ucTblPtr
, and
ansi_ulRow
.
void * calloc (size_t elt_count, size_t
elt_size);
Allocate array area. Nonreentrant Invalid for call from memory allocate.
void free (void *ptr);
Clear area. Nonreentrant Invalid for call from memory allocate.
void * realloc (void *ptr, size_t size); Change area size. Nonreentrant Invalid for call from memory allocate.
void exit (int status); Terminate program
normally. Reentrant Refer to
exit
, terminates on the side
of called later.
void abort ( ); Terminate program
abnormally. Reentrant Refer to
exit
, terminates on the side
of called later.
void * bsearch (void *key, void *base,
size_t count, size_t size, int (*compare)
(void *, void *));
Binary search. Reentrant
void
qsort
(void *base, size_t count,
size_t size, int (*compare)(void *, void
*));
Quick sort. Reentrant
int abs (int x); Return absolute value
(
int
type).
Reentrant
long int labs (long int x); Return absolute value
(
long
type).
Reentrant
div_t div (int n, int d);
Divide
int
type. Nonreentrant Change global variable
errno
.
ldiv_t
ldiv
(int n, int d);
Divide
long
type. Nonreentrant Change global variable
errno
.
int rand ( ); Return pseudo-random
number. Nonreentrant Change global variable
errno
.
void srand (unsigned int seed); Set seed of pseudo-
random number. Nonreentrant Change global variable
errno
.
long int atol (char *str);
Convert character
string into
long
type.
Nonreentrant Change global variable
errno
.
int
atoi
(char *str);
Convert character
string into
int
type.
Nonreentrant Change global variable
errno
.
double atof (char *str); Convert character string
into
double
type.
Nonreentrant Change global variable
errno
.
double strtod (char *str, char **ptr); Convert character string
into
double
type.
Nonreentrant Change global variable
errno
.
long int strtol (char *str, char **ptr,
int base);
Convert character
string into
long
type.
Nonreentrant Change global variable
errno
.
unsigned long int
strtoul
(char *str, char
**ptr, int base);
Convert character
string into
unsigned
long
type.
Nonreentrant Change global variable
errno
.
non-local branch functions
The table below lists the non-local branch functions included in
libc.a
.
Table 7.3.2.3 Non-local branch functions
Header file:
setjmp.h
function functionality reentrant notes
int setjmp (jmp_buf env); Non-local branch Reentrant
void longjmp (jmp_buf env, int status); Non-local branch Reentrant