This function moves to the next character in a string.

#define INCL_WINCOUNTRY /* Or use INCL_WIN, INCL_PM, */
#include <os2.h>

HAB      hab;             /*  Anchor-block handle. */
ULONG    ulCodepage;      /*  Code page. */
ULONG    ulCountry;       /*  Reserved value, must be 0. */
PSZ      pszCurrentChar;  /*  Current character in a null-terminated string. */
PSZ      pszNextChar;     /*  Pointer to the next character in the null-terminated string. */

pszNextChar = WinNextChar(hab, ulCodepage,
                ulCountry, pszCurrentChar);