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The ESQL/C Function Library

The IBM Informix ESQL/C function library provides functions for data conversion of the following data types.

Function Category IBM Informix ESQL/C Library Function
Byte bycmpr( )
bycopy( )
byfill( )
byleng( )
Character processing ldchar( )
rdownshift( )
rstod( )
rstoi( )
rstol( )
rupshift( )
stcat( )
stchar( )
stcmpr( )
stcopy( )
stleng( )
DECIMAL type
MONEY type
decadd( )
deccmp( )
deccopy( )
deccvasc( )
deccvdbl( )
deccvint( )
deccvlong( )
decdiv( )
dececvt( ) and decfcvt( )
decmul( )
decround( )
decsub( )
dectoasc( )
dectodbl( )
dectoint( )
dectolong( )
dectrunc( )
rfmtdec( )
DATE type rdatestr( )
rdayofweek( )
rdefmtdate( )
rfmtdate( )
rjulmdy( )
rleapyear( )
rmdyjul( )
rstrdate( )
rtoday( )
DATETIME type dtaddinv( )
dtcurrent( )
dtcvasc( )
dtcvfmtasc( )
dtextend( )
dtsub( )
dtsubinv( )
dttoasc( )
dttofmtasc( )
INTERVAL type incvasc( )
incvfmtasc( )
intoasc( )
intofmtasc( )
invdivdbl( )
invdivinv( )
invextend( )
invmuldbl( )
INT8 type ifx_int8add( )
ifx_int8cmp( )
ifx_int8copy( )
ifx_int8cvasc( )
ifx_int8cvdbl( )
ifx_int8cvdec( )
ifx_int8cvflt( )
ifx_int8cvint( )
ifx_int8cvlong( )
ifx_int8div( )
ifx_int8mul( )
ifx_int8sub( )
ifx_int8toasc( )
ifx_int8todbl( )
ifx_int8todec( )
ifx_int8toflt( )
ifx_int8toint( )
ifx_int8tolong( )
Other C-language
data types
rfmtdouble( ) rfmtlong( )

The IBM Informix ESQL/C function library does provide additional functions. However, any function not listed in the preceding table is not valid within a DataBlade API module.

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