ESQL/C functions for string conversion

The IBM® Informix® ESQL/C function library provides the following functions that facilitate conversion of values in character data types (such as mi_string or mi_char) to and from some C-language data types.

rstod()

Converts a string to a double type

rstoi()

Converts a null-terminated string to a two-byte integer (int2)

rstol()

Converts a string to a four-byte integer (int4)

In addition, the Informix ESQL/C library provides the following functions to convert text representation of values to their binary representation.