结构化Prompt模板：代码作用：set chaining tolerance 设置链式公差 。示例代码： /*HEAD SET_CHAINING_TOLERANCE CCC UFUN */ /* Here is the corresponding GRIP which modifies the chaining tolerance. NUMBER/ tolerance UFARGS/ tolerance &CHTOL = tolerance print/'Chaining Tolerance has been set to '+FSTRL(&CHTOL) HALT */ #include <stdio.h> #include <string.h> #include <uf.h> #include <uf_ui.h> #define ECHO(X) (printf("\t%s = %d\n", #X, X)) #define UF_CALL(X) (report_error( __FILE__, __LINE__, #X, (X))) static int report_error( char *file, int line, char *call, int irc) { if (irc) { char err[133], msg[133]; sprintf(msg, "*** ERROR code %d at line %d in %s:\n+++ ", irc, line, file); UF_get_fail_message(irc, err); /* NOTE: UF_print_syslog is new in V18 里海译:根据文档描述，UF_print_syslog 是 V18 版本新增的函数。 */ UF_print_syslog(msg, FALSE); UF_print_syslog(err, FALSE); UF_print_syslog("\n", FALSE); UF_print_syslog(call, FALSE); UF_print_syslog(";\n", FALSE); if (!UF_UI_open_listing_window()) { UF_UI_write_listing_window(msg); UF_UI_write_listing_window(err); UF_UI_write_listing_window("\n"); UF_UI_write_listing_window(call); UF_UI_write_listing_window(";\n"); } } return(irc); } static logical prompt_for_a_number(char *prompt, char *item, double *number) { int irc, resp; char menu[1][16]; double da[1]; strcpy(&menu[0][0], item); da[0] = *number; resp = uc1609(prompt, menu, 1, da, &irc); if (resp == 3 || resp == 4) { *number = da[0]; return TRUE; } else return FALSE; } static void do_it(void) { double n = 0, dn; UF_args_t arg; prompt_for_a_number( "Enter Chaining Tolerance", "Number 0 - 100", &n); dn = (double)n; arg.type = UF_TYPE_DOUBLE; arg.length = 0; arg.address = &dn; #ifdef _WIN32 UF_CALL(UF_call_grip("n:\\grip\\set_chaining_tolerance.grx", 1, &arg)); #else UF_CALL(UF_call_grip("grip/set_chaining_tolerance.grx", 1, &arg)); #endif } void ufusr(char *param, int *retcode, int paramLen) { if (UF_CALL(UF_initialize())) return; do_it(); UF_terminate(); } int ufusr_ask_unload(void) { return (UF_UNLOAD_IMMEDIATELY); } 请生成1个NX / UG API技术问题，格式："如何通过NX/UG API实现[具体功能]？"，需提取所有核心代码生成一个函数，进行代码说明 / 注意事项/问题拓展。